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Finding the Fourth Proportional to 14,394.57, 21,591.86 and 8,234.25

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Solution

The fourth proportional to 14,394.57, 21,591.86 and 8,234.25 is: 12,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.57 : 21,591.86 = 8,234.25 : x
  2. Step 2: Convert to fraction form
    14,394.57/21,591.86 = 8,234.25/x
  3. Step 3: Cross multiply
    14,394.57x = 21,591.86 × 8,234.25
  4. Step 4: Simplify right side
    14,394.57x = 177,792,732.03
  5. Step 5: Solve for x
    x = 177,792,732.03/14,394.57
  6. Step 6: Final answer
    x = 12,351.38

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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.