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Finding the Fourth Proportional to 18,176.10, 27,264.15 and 14,892.90

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Solution

The fourth proportional to 18,176.10, 27,264.15 and 14,892.90 is: 22,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.10 : 27,264.15 = 14,892.90 : x
  2. Step 2: Convert to fraction form
    18,176.10/27,264.15 = 14,892.90/x
  3. Step 3: Cross multiply
    18,176.10x = 27,264.15 × 14,892.90
  4. Step 4: Simplify right side
    18,176.10x = 406,042,259.54
  5. Step 5: Solve for x
    x = 406,042,259.54/18,176.10
  6. Step 6: Final answer
    x = 22,339.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.