Home / 19,691.14-29,532.64-5,648.04

Finding the Fourth Proportional to 19,691.14, 29,532.64 and 5,648.04

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Solution

The fourth proportional to 19,691.14, 29,532.64 and 5,648.04 is: 8,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.14 : 29,532.64 = 5,648.04 : x
  2. Step 2: Convert to fraction form
    19,691.14/29,532.64 = 5,648.04/x
  3. Step 3: Cross multiply
    19,691.14x = 29,532.64 × 5,648.04
  4. Step 4: Simplify right side
    19,691.14x = 166,801,562.08
  5. Step 5: Solve for x
    x = 166,801,562.08/19,691.14
  6. Step 6: Final answer
    x = 8,470.89

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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.