Home / 15,691.52-23,544.40-7,801.88

Finding the Fourth Proportional to 15,691.52, 23,544.40 and 7,801.88

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Solution

The fourth proportional to 15,691.52, 23,544.40 and 7,801.88 is: 11,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.52 : 23,544.40 = 7,801.88 : x
  2. Step 2: Convert to fraction form
    15,691.52/23,544.40 = 7,801.88/x
  3. Step 3: Cross multiply
    15,691.52x = 23,544.40 × 7,801.88
  4. Step 4: Simplify right side
    15,691.52x = 183,690,583.47
  5. Step 5: Solve for x
    x = 183,690,583.47/15,691.52
  6. Step 6: Final answer
    x = 11,706.36

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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.