Home / 15,318.61-22,972.24-5,455.24

Finding the Fourth Proportional to 15,318.61, 22,972.24 and 5,455.24

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Solution

The fourth proportional to 15,318.61, 22,972.24 and 5,455.24 is: 8,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.61 : 22,972.24 = 5,455.24 : x
  2. Step 2: Convert to fraction form
    15,318.61/22,972.24 = 5,455.24/x
  3. Step 3: Cross multiply
    15,318.61x = 22,972.24 × 5,455.24
  4. Step 4: Simplify right side
    15,318.61x = 125,319,082.54
  5. Step 5: Solve for x
    x = 125,319,082.54/15,318.61
  6. Step 6: Final answer
    x = 8,180.84

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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.