Home / 39,507.27-59,252.13-11,421.20

Finding the Fourth Proportional to 39,507.27, 59,252.13 and 11,421.20

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Solution

The fourth proportional to 39,507.27, 59,252.13 and 11,421.20 is: 17,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,507.27 : 59,252.13 = 11,421.20 : x
  2. Step 2: Convert to fraction form
    39,507.27/59,252.13 = 11,421.20/x
  3. Step 3: Cross multiply
    39,507.27x = 59,252.13 × 11,421.20
  4. Step 4: Simplify right side
    39,507.27x = 676,730,130.90
  5. Step 5: Solve for x
    x = 676,730,130.90/39,507.27
  6. Step 6: Final answer
    x = 17,129.26

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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.