Home / 13,759.46-20,635.13-5,861.88

Finding the Fourth Proportional to 13,759.46, 20,635.13 and 5,861.88

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Solution

The fourth proportional to 13,759.46, 20,635.13 and 5,861.88 is: 8,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.46 : 20,635.13 = 5,861.88 : x
  2. Step 2: Convert to fraction form
    13,759.46/20,635.13 = 5,861.88/x
  3. Step 3: Cross multiply
    13,759.46x = 20,635.13 × 5,861.88
  4. Step 4: Simplify right side
    13,759.46x = 120,960,626.54
  5. Step 5: Solve for x
    x = 120,960,626.54/13,759.46
  6. Step 6: Final answer
    x = 8,791.09

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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.