Home / 16,039.70-22,135.49-8,966.10

Finding the Fourth Proportional to 16,039.70, 22,135.49 and 8,966.10

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Solution

The fourth proportional to 16,039.70, 22,135.49 and 8,966.10 is: 12,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.70 : 22,135.49 = 8,966.10 : x
  2. Step 2: Convert to fraction form
    16,039.70/22,135.49 = 8,966.10/x
  3. Step 3: Cross multiply
    16,039.70x = 22,135.49 × 8,966.10
  4. Step 4: Simplify right side
    16,039.70x = 198,469,016.89
  5. Step 5: Solve for x
    x = 198,469,016.89/16,039.70
  6. Step 6: Final answer
    x = 12,373.61

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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.