Find missing values in tables of equivalent ratios

Find the number each known value was multiplied by, then use that same number for the missing value.

1. The table shows equivalent ratios of litres of paint to square metres covered. litres of paint: ?, 6, 9. square metres covered: 2, 4, 6. Find the missing number.
2. The table shows equivalent ratios of cups of flour to cups of sugar. cups of flour: 1, 2, 3. cups of sugar: 4, 8, ?. Find the missing number.
3. The table shows equivalent ratios of metres to seconds. metres: ?, 4, 6. seconds: 3, 6, 9. Find the missing number.
4. The table shows equivalent ratios of pages read to minutes. pages read: 4, 8, ?. minutes: 1, 2, 3. Find the missing number.
5. The table shows equivalent ratios of red tiles to blue tiles. red tiles: ?, 10, 15, 20. blue tiles: 2, 4, 6, 8. Find the missing number.
6. The table shows equivalent ratios of laps to minutes. laps: 6, ?, 18, 24. minutes: 5, 10, 15, 20. Find the missing number.
7. The table shows equivalent ratios of pages read to minutes. pages read: ?, 6, 9, 12. minutes: 1, 2, 3, 4. Find the missing number.
8. The table shows equivalent ratios of red tiles to blue tiles. red tiles: 3, 6, 9, 12. blue tiles: ?, 10, 15, 20. Find the missing number.
9. The table shows equivalent ratios of metres to seconds. metres: 2, 8, 12, 16. seconds: 3, ?, 18, 24. Find the missing number.
10. The table shows equivalent ratios of litres of paint to square metres covered. litres of paint: 4, 32, 36, ?. square metres covered: 7, 56, 63, 70. Find the missing number.
11. The table shows equivalent ratios of red tiles to blue tiles. red tiles: 5, 20, 25, 45. blue tiles: 1, 4, 5, ?. Find the missing number.
12. The table shows equivalent ratios of laps to minutes. laps: 18, ?, 36, 54. minutes: 21, 28, 42, 63. Find the missing number.
13. The table shows equivalent ratios of laps to minutes. laps: 35, 49, 56, ?, 84. minutes: 15, 21, 24, 27, 36. Find the missing number.
14. The table shows equivalent ratios of litres of paint to square metres covered. litres of paint: 24, 30, 60, 66, 72. square metres covered: 4, 5, 10, ?, 12. Find the missing number.
15. The table shows equivalent ratios of red tiles to blue tiles. red tiles: 5, 15, 20, 35, 50. blue tiles: 7, 21, 28, 49, ?. Find the missing number.
16. The table shows equivalent ratios of litres of paint to square metres covered. litres of paint: ?, 9, 18, 21, 33. square metres covered: 4, 6, 12, 14, 22. Find the missing number.
17. The table shows equivalent ratios of litres of paint to square metres covered. litres of paint: 1, 2, 13, 14, 15, 20. square metres covered: 11, 22, 143, ?, 165, 220. Find the missing number.
18. The table shows equivalent ratios of metres to seconds. metres: 77, 110, 121, 176, 187, 198. seconds: 63, 90, 99, 144, 153, ?. Find the missing number.
19. The table shows equivalent ratios of metres to seconds. metres: 7, 35, 49, 77, 84, 112. seconds: ?, 55, 77, 121, 132, 176. Find the missing number.
20. The table shows equivalent ratios of apples to oranges. apples: 24, 60, ?, 144, 204, 216. oranges: 2, 5, 11, 12, 17, 18. Find the missing number.