Home / 13,517.28-20,233.44-8,592.48

Finding the Fourth Proportional to 13,517.28, 20,233.44 and 8,592.48

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Solution

The fourth proportional to 13,517.28, 20,233.44 and 8,592.48 is: 12,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.28 : 20,233.44 = 8,592.48 : x
  2. Step 2: Convert to fraction form
    13,517.28/20,233.44 = 8,592.48/x
  3. Step 3: Cross multiply
    13,517.28x = 20,233.44 × 8,592.48
  4. Step 4: Simplify right side
    13,517.28x = 173,855,428.53
  5. Step 5: Solve for x
    x = 173,855,428.53/13,517.28
  6. Step 6: Final answer
    x = 12,861.72

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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.