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Finding the Fourth Proportional to 18,552.67, 25,572.71 and 14,512.32

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Solution

The fourth proportional to 18,552.67, 25,572.71 and 14,512.32 is: 20,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.67 : 25,572.71 = 14,512.32 : x
  2. Step 2: Convert to fraction form
    18,552.67/25,572.71 = 14,512.32/x
  3. Step 3: Cross multiply
    18,552.67x = 25,572.71 × 14,512.32
  4. Step 4: Simplify right side
    18,552.67x = 371,119,387.07
  5. Step 5: Solve for x
    x = 371,119,387.07/18,552.67
  6. Step 6: Final answer
    x = 20,003.56

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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.