Home / 18,385.60-27,592.32-13,468.02

Finding the Fourth Proportional to 18,385.60, 27,592.32 and 13,468.02

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Solution

The fourth proportional to 18,385.60, 27,592.32 and 13,468.02 is: 20,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.60 : 27,592.32 = 13,468.02 : x
  2. Step 2: Convert to fraction form
    18,385.60/27,592.32 = 13,468.02/x
  3. Step 3: Cross multiply
    18,385.60x = 27,592.32 × 13,468.02
  4. Step 4: Simplify right side
    18,385.60x = 371,613,917.61
  5. Step 5: Solve for x
    x = 371,613,917.61/18,385.60
  6. Step 6: Final answer
    x = 20,212.23

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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.