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Finding the Fourth Proportional to 18,182.10, 27,261 and 14,676.42

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Solution

The fourth proportional to 18,182.10, 27,261 and 14,676.42 is: 22,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.10 : 27,261 = 14,676.42 : x
  2. Step 2: Convert to fraction form
    18,182.10/27,261 = 14,676.42/x
  3. Step 3: Cross multiply
    18,182.10x = 27,261 × 14,676.42
  4. Step 4: Simplify right side
    18,182.10x = 400,093,885.62
  5. Step 5: Solve for x
    x = 400,093,885.62/18,182.10
  6. Step 6: Final answer
    x = 22,004.82

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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.