Home / 19,942.38-29,864.31-14,864.39

Finding the Fourth Proportional to 19,942.38, 29,864.31 and 14,864.39

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Solution

The fourth proportional to 19,942.38, 29,864.31 and 14,864.39 is: 22,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.38 : 29,864.31 = 14,864.39 : x
  2. Step 2: Convert to fraction form
    19,942.38/29,864.31 = 14,864.39/x
  3. Step 3: Cross multiply
    19,942.38x = 29,864.31 × 14,864.39
  4. Step 4: Simplify right side
    19,942.38x = 443,914,601.60
  5. Step 5: Solve for x
    x = 443,914,601.60/19,942.38
  6. Step 6: Final answer
    x = 22,259.86

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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.