Home / 18,402.14-27,562.98-14,231.18

Finding the Fourth Proportional to 18,402.14, 27,562.98 and 14,231.18

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Solution

The fourth proportional to 18,402.14, 27,562.98 and 14,231.18 is: 21,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.14 : 27,562.98 = 14,231.18 : x
  2. Step 2: Convert to fraction form
    18,402.14/27,562.98 = 14,231.18/x
  3. Step 3: Cross multiply
    18,402.14x = 27,562.98 × 14,231.18
  4. Step 4: Simplify right side
    18,402.14x = 392,253,729.72
  5. Step 5: Solve for x
    x = 392,253,729.72/18,402.14
  6. Step 6: Final answer
    x = 21,315.66

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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.