Home / 22,487.04-31,032-13,057.92

Finding the Fourth Proportional to 22,487.04, 31,032 and 13,057.92

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Solution

The fourth proportional to 22,487.04, 31,032 and 13,057.92 is: 18,019.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.04 : 31,032 = 13,057.92 : x
  2. Step 2: Convert to fraction form
    22,487.04/31,032 = 13,057.92/x
  3. Step 3: Cross multiply
    22,487.04x = 31,032 × 13,057.92
  4. Step 4: Simplify right side
    22,487.04x = 405,213,373.44
  5. Step 5: Solve for x
    x = 405,213,373.44/22,487.04
  6. Step 6: Final answer
    x = 18,019.86

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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.