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Finding the Fourth Proportional to 14,712.75, 22,069.33 and 8,151.75

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Solution

The fourth proportional to 14,712.75, 22,069.33 and 8,151.75 is: 12,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.75 : 22,069.33 = 8,151.75 : x
  2. Step 2: Convert to fraction form
    14,712.75/22,069.33 = 8,151.75/x
  3. Step 3: Cross multiply
    14,712.75x = 22,069.33 × 8,151.75
  4. Step 4: Simplify right side
    14,712.75x = 179,903,640.45
  5. Step 5: Solve for x
    x = 179,903,640.45/14,712.75
  6. Step 6: Final answer
    x = 12,227.74

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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.