Home / 18,078.12-24,951.24-10,123.92

Finding the Fourth Proportional to 18,078.12, 24,951.24 and 10,123.92

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Solution

The fourth proportional to 18,078.12, 24,951.24 and 10,123.92 is: 13,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.12 : 24,951.24 = 10,123.92 : x
  2. Step 2: Convert to fraction form
    18,078.12/24,951.24 = 10,123.92/x
  3. Step 3: Cross multiply
    18,078.12x = 24,951.24 × 10,123.92
  4. Step 4: Simplify right side
    18,078.12x = 252,604,357.66
  5. Step 5: Solve for x
    x = 252,604,357.66/18,078.12
  6. Step 6: Final answer
    x = 13,972.93

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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.