Home / 18,553.97-27,828.25-5,402.81

Finding the Fourth Proportional to 18,553.97, 27,828.25 and 5,402.81

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Solution

The fourth proportional to 18,553.97, 27,828.25 and 5,402.81 is: 8,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.97 : 27,828.25 = 5,402.81 : x
  2. Step 2: Convert to fraction form
    18,553.97/27,828.25 = 5,402.81/x
  3. Step 3: Cross multiply
    18,553.97x = 27,828.25 × 5,402.81
  4. Step 4: Simplify right side
    18,553.97x = 150,350,594.73
  5. Step 5: Solve for x
    x = 150,350,594.73/18,553.97
  6. Step 6: Final answer
    x = 8,103.42

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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.