Math, asked by dhanyalakshman988, 6 months ago

what number must be added to each of the four numbers 9,17,21,37 so that they became in proportion

Answers

Answered by MangalKsh

0

Answer:

3 must 6

be added to each

Answered by aagamjn13

2

Answer:

3

12:20::24:40

20×24 = 40×12

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