Home / 15,614.31-23,419.75-3,927.53

Finding the Fourth Proportional to 15,614.31, 23,419.75 and 3,927.53

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Solution

The fourth proportional to 15,614.31, 23,419.75 and 3,927.53 is: 5,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.31 : 23,419.75 = 3,927.53 : x
  2. Step 2: Convert to fraction form
    15,614.31/23,419.75 = 3,927.53/x
  3. Step 3: Cross multiply
    15,614.31x = 23,419.75 × 3,927.53
  4. Step 4: Simplify right side
    15,614.31x = 91,981,770.72
  5. Step 5: Solve for x
    x = 91,981,770.72/15,614.31
  6. Step 6: Final answer
    x = 5,890.86

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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.