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Finding the Fourth Proportional to 18,072, 24,939.48 and 10,114.96

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Solution

The fourth proportional to 18,072, 24,939.48 and 10,114.96 is: 13,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072 : 24,939.48 = 10,114.96 : x
  2. Step 2: Convert to fraction form
    18,072/24,939.48 = 10,114.96/x
  3. Step 3: Cross multiply
    18,072x = 24,939.48 × 10,114.96
  4. Step 4: Simplify right side
    18,072x = 252,261,842.62
  5. Step 5: Solve for x
    x = 252,261,842.62/18,072
  6. Step 6: Final answer
    x = 13,958.71

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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.