Home / 15,861.10-23,791.68-4,767.88

Finding the Fourth Proportional to 15,861.10, 23,791.68 and 4,767.88

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Solution

The fourth proportional to 15,861.10, 23,791.68 and 4,767.88 is: 7,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.10 : 23,791.68 = 4,767.88 : x
  2. Step 2: Convert to fraction form
    15,861.10/23,791.68 = 4,767.88/x
  3. Step 3: Cross multiply
    15,861.10x = 23,791.68 × 4,767.88
  4. Step 4: Simplify right side
    15,861.10x = 113,435,875.24
  5. Step 5: Solve for x
    x = 113,435,875.24/15,861.10
  6. Step 6: Final answer
    x = 7,151.83

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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.