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Finding the Fourth Proportional to 18,755.57, 25,892.09 and 14,497.01

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Solution

The fourth proportional to 18,755.57, 25,892.09 and 14,497.01 is: 20,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.57 : 25,892.09 = 14,497.01 : x
  2. Step 2: Convert to fraction form
    18,755.57/25,892.09 = 14,497.01/x
  3. Step 3: Cross multiply
    18,755.57x = 25,892.09 × 14,497.01
  4. Step 4: Simplify right side
    18,755.57x = 375,357,988.62
  5. Step 5: Solve for x
    x = 375,357,988.62/18,755.57
  6. Step 6: Final answer
    x = 20,013.15

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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.