Home / 18,076.50-24,945.31-10,118.73

Finding the Fourth Proportional to 18,076.50, 24,945.31 and 10,118.73

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Solution

The fourth proportional to 18,076.50, 24,945.31 and 10,118.73 is: 13,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.50 : 24,945.31 = 10,118.73 : x
  2. Step 2: Convert to fraction form
    18,076.50/24,945.31 = 10,118.73/x
  3. Step 3: Cross multiply
    18,076.50x = 24,945.31 × 10,118.73
  4. Step 4: Simplify right side
    18,076.50x = 252,414,856.66
  5. Step 5: Solve for x
    x = 252,414,856.66/18,076.50
  6. Step 6: Final answer
    x = 13,963.70

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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.