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Finding the Fourth Proportional to 14,532.17, 20,064.02 and 11,168.78

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Solution

The fourth proportional to 14,532.17, 20,064.02 and 11,168.78 is: 15,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.17 : 20,064.02 = 11,168.78 : x
  2. Step 2: Convert to fraction form
    14,532.17/20,064.02 = 11,168.78/x
  3. Step 3: Cross multiply
    14,532.17x = 20,064.02 × 11,168.78
  4. Step 4: Simplify right side
    14,532.17x = 224,090,469.13
  5. Step 5: Solve for x
    x = 224,090,469.13/14,532.17
  6. Step 6: Final answer
    x = 15,420.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.