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Finding the Fourth Proportional to 16,586.76, 22,887.99 and 9,414.39

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Solution

The fourth proportional to 16,586.76, 22,887.99 and 9,414.39 is: 12,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,586.76 : 22,887.99 = 9,414.39 : x
  2. Step 2: Convert to fraction form
    16,586.76/22,887.99 = 9,414.39/x
  3. Step 3: Cross multiply
    16,586.76x = 22,887.99 × 9,414.39
  4. Step 4: Simplify right side
    16,586.76x = 215,476,464.18
  5. Step 5: Solve for x
    x = 215,476,464.18/16,586.76
  6. Step 6: Final answer
    x = 12,990.87

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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.