Home / 16,123.75-22,229.57-11,078.66

Finding the Fourth Proportional to 16,123.75, 22,229.57 and 11,078.66

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Solution

The fourth proportional to 16,123.75, 22,229.57 and 11,078.66 is: 15,273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,123.75 : 22,229.57 = 11,078.66 : x
  2. Step 2: Convert to fraction form
    16,123.75/22,229.57 = 11,078.66/x
  3. Step 3: Cross multiply
    16,123.75x = 22,229.57 × 11,078.66
  4. Step 4: Simplify right side
    16,123.75x = 246,273,931.25
  5. Step 5: Solve for x
    x = 246,273,931.25/16,123.75
  6. Step 6: Final answer
    x = 15,273.99

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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.