Home / 25,297.10-34,938.20-19,699.19

Finding the Fourth Proportional to 25,297.10, 34,938.20 and 19,699.19

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Solution

The fourth proportional to 25,297.10, 34,938.20 and 19,699.19 is: 27,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,297.10 : 34,938.20 = 19,699.19 : x
  2. Step 2: Convert to fraction form
    25,297.10/34,938.20 = 19,699.19/x
  3. Step 3: Cross multiply
    25,297.10x = 34,938.20 × 19,699.19
  4. Step 4: Simplify right side
    25,297.10x = 688,253,966.87
  5. Step 5: Solve for x
    x = 688,253,966.87/25,297.10
  6. Step 6: Final answer
    x = 27,206.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.