Home / 15,147.03-22,724.34-5,286.39

Finding the Fourth Proportional to 15,147.03, 22,724.34 and 5,286.39

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Solution

The fourth proportional to 15,147.03, 22,724.34 and 5,286.39 is: 7,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.03 : 22,724.34 = 5,286.39 : x
  2. Step 2: Convert to fraction form
    15,147.03/22,724.34 = 5,286.39/x
  3. Step 3: Cross multiply
    15,147.03x = 22,724.34 × 5,286.39
  4. Step 4: Simplify right side
    15,147.03x = 120,129,723.73
  5. Step 5: Solve for x
    x = 120,129,723.73/15,147.03
  6. Step 6: Final answer
    x = 7,930.91

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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.