Home / 22,720.57-34,087.82-11,635.04

Finding the Fourth Proportional to 22,720.57, 34,087.82 and 11,635.04

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Solution

The fourth proportional to 22,720.57, 34,087.82 and 11,635.04 is: 17,456.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.57 : 34,087.82 = 11,635.04 : x
  2. Step 2: Convert to fraction form
    22,720.57/34,087.82 = 11,635.04/x
  3. Step 3: Cross multiply
    22,720.57x = 34,087.82 × 11,635.04
  4. Step 4: Simplify right side
    22,720.57x = 396,613,149.21
  5. Step 5: Solve for x
    x = 396,613,149.21/22,720.57
  6. Step 6: Final answer
    x = 17,456.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.