Home / 13,691.38-20,524.59-4,801.88

Finding the Fourth Proportional to 13,691.38, 20,524.59 and 4,801.88

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Solution

The fourth proportional to 13,691.38, 20,524.59 and 4,801.88 is: 7,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691.38 : 20,524.59 = 4,801.88 : x
  2. Step 2: Convert to fraction form
    13,691.38/20,524.59 = 4,801.88/x
  3. Step 3: Cross multiply
    13,691.38x = 20,524.59 × 4,801.88
  4. Step 4: Simplify right side
    13,691.38x = 98,556,669.54
  5. Step 5: Solve for x
    x = 98,556,669.54/13,691.38
  6. Step 6: Final answer
    x = 7,198.45

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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.