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Finding the Fourth Proportional to 17,339.70, 23,928.74 and 9,381.92

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Solution

The fourth proportional to 17,339.70, 23,928.74 and 9,381.92 is: 12,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339.70 : 23,928.74 = 9,381.92 : x
  2. Step 2: Convert to fraction form
    17,339.70/23,928.74 = 9,381.92/x
  3. Step 3: Cross multiply
    17,339.70x = 23,928.74 × 9,381.92
  4. Step 4: Simplify right side
    17,339.70x = 224,497,524.38
  5. Step 5: Solve for x
    x = 224,497,524.38/17,339.70
  6. Step 6: Final answer
    x = 12,947.02

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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.