Home / 18,440.15-25,447.17-10,481.85

Finding the Fourth Proportional to 18,440.15, 25,447.17 and 10,481.85

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Solution

The fourth proportional to 18,440.15, 25,447.17 and 10,481.85 is: 14,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.15 : 25,447.17 = 10,481.85 : x
  2. Step 2: Convert to fraction form
    18,440.15/25,447.17 = 10,481.85/x
  3. Step 3: Cross multiply
    18,440.15x = 25,447.17 × 10,481.85
  4. Step 4: Simplify right side
    18,440.15x = 266,733,418.86
  5. Step 5: Solve for x
    x = 266,733,418.86/18,440.15
  6. Step 6: Final answer
    x = 14,464.82

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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.