Home / 15,872.20-23,819.27-5,483.95

Finding the Fourth Proportional to 15,872.20, 23,819.27 and 5,483.95

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Solution

The fourth proportional to 15,872.20, 23,819.27 and 5,483.95 is: 8,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.20 : 23,819.27 = 5,483.95 : x
  2. Step 2: Convert to fraction form
    15,872.20/23,819.27 = 5,483.95/x
  3. Step 3: Cross multiply
    15,872.20x = 23,819.27 × 5,483.95
  4. Step 4: Simplify right side
    15,872.20x = 130,623,732.73
  5. Step 5: Solve for x
    x = 130,623,732.73/15,872.20
  6. Step 6: Final answer
    x = 8,229.72

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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.