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Finding the Fourth Proportional to 17,917.52, 24,718.44 and 11,191.44

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Solution

The fourth proportional to 17,917.52, 24,718.44 and 11,191.44 is: 15,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.52 : 24,718.44 = 11,191.44 : x
  2. Step 2: Convert to fraction form
    17,917.52/24,718.44 = 11,191.44/x
  3. Step 3: Cross multiply
    17,917.52x = 24,718.44 × 11,191.44
  4. Step 4: Simplify right side
    17,917.52x = 276,634,938.15
  5. Step 5: Solve for x
    x = 276,634,938.15/17,917.52
  6. Step 6: Final answer
    x = 15,439.35

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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.