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Finding the Fourth Proportional to 17,940.78, 24,759.08 and 14,951.62

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Solution

The fourth proportional to 17,940.78, 24,759.08 and 14,951.62 is: 20,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.78 : 24,759.08 = 14,951.62 : x
  2. Step 2: Convert to fraction form
    17,940.78/24,759.08 = 14,951.62/x
  3. Step 3: Cross multiply
    17,940.78x = 24,759.08 × 14,951.62
  4. Step 4: Simplify right side
    17,940.78x = 370,188,355.71
  5. Step 5: Solve for x
    x = 370,188,355.71/17,940.78
  6. Step 6: Final answer
    x = 20,633.91

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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.