Home / 18,081.72-24,947.05-10,122.86

Finding the Fourth Proportional to 18,081.72, 24,947.05 and 10,122.86

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Solution

The fourth proportional to 18,081.72, 24,947.05 and 10,122.86 is: 13,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.72 : 24,947.05 = 10,122.86 : x
  2. Step 2: Convert to fraction form
    18,081.72/24,947.05 = 10,122.86/x
  3. Step 3: Cross multiply
    18,081.72x = 24,947.05 × 10,122.86
  4. Step 4: Simplify right side
    18,081.72x = 252,535,494.56
  5. Step 5: Solve for x
    x = 252,535,494.56/18,081.72
  6. Step 6: Final answer
    x = 13,966.34

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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.