Home / 15,861.17-23,789.85-4,175.30

Finding the Fourth Proportional to 15,861.17, 23,789.85 and 4,175.30

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Solution

The fourth proportional to 15,861.17, 23,789.85 and 4,175.30 is: 6,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.17 : 23,789.85 = 4,175.30 : x
  2. Step 2: Convert to fraction form
    15,861.17/23,789.85 = 4,175.30/x
  3. Step 3: Cross multiply
    15,861.17x = 23,789.85 × 4,175.30
  4. Step 4: Simplify right side
    15,861.17x = 99,329,641.76
  5. Step 5: Solve for x
    x = 99,329,641.76/15,861.17
  6. Step 6: Final answer
    x = 6,262.44

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1.5x scale

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.