Home / 16,414.28-22,620.10-11,930.93

Finding the Fourth Proportional to 16,414.28, 22,620.10 and 11,930.93

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Solution

The fourth proportional to 16,414.28, 22,620.10 and 11,930.93 is: 16,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,414.28 : 22,620.10 = 11,930.93 : x
  2. Step 2: Convert to fraction form
    16,414.28/22,620.10 = 11,930.93/x
  3. Step 3: Cross multiply
    16,414.28x = 22,620.10 × 11,930.93
  4. Step 4: Simplify right side
    16,414.28x = 269,878,829.69
  5. Step 5: Solve for x
    x = 269,878,829.69/16,414.28
  6. Step 6: Final answer
    x = 16,441.71

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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.