Home / 22,951.53-31,673.25-13,398.03

Finding the Fourth Proportional to 22,951.53, 31,673.25 and 13,398.03

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Solution

The fourth proportional to 22,951.53, 31,673.25 and 13,398.03 is: 18,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,951.53 : 31,673.25 = 13,398.03 : x
  2. Step 2: Convert to fraction form
    22,951.53/31,673.25 = 13,398.03/x
  3. Step 3: Cross multiply
    22,951.53x = 31,673.25 × 13,398.03
  4. Step 4: Simplify right side
    22,951.53x = 424,359,153.70
  5. Step 5: Solve for x
    x = 424,359,153.70/22,951.53
  6. Step 6: Final answer
    x = 18,489.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.