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Finding the Fourth Proportional to 13,463.17, 20,194.76 and 4,229.17

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Solution

The fourth proportional to 13,463.17, 20,194.76 and 4,229.17 is: 6,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.17 : 20,194.76 = 4,229.17 : x
  2. Step 2: Convert to fraction form
    13,463.17/20,194.76 = 4,229.17/x
  3. Step 3: Cross multiply
    13,463.17x = 20,194.76 × 4,229.17
  4. Step 4: Simplify right side
    13,463.17x = 85,407,033.24
  5. Step 5: Solve for x
    x = 85,407,033.24/13,463.17
  6. Step 6: Final answer
    x = 6,343.75

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Similar ratio
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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.