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Finding the Fourth Proportional to 18,114.32, 25,000.17 and 10,560.80

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Solution

The fourth proportional to 18,114.32, 25,000.17 and 10,560.80 is: 14,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.32 : 25,000.17 = 10,560.80 : x
  2. Step 2: Convert to fraction form
    18,114.32/25,000.17 = 10,560.80/x
  3. Step 3: Cross multiply
    18,114.32x = 25,000.17 × 10,560.80
  4. Step 4: Simplify right side
    18,114.32x = 264,021,795.34
  5. Step 5: Solve for x
    x = 264,021,795.34/18,114.32
  6. Step 6: Final answer
    x = 14,575.31

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Double scale
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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.