Home / 18,439.24-25,446.42-10,481.64

Finding the Fourth Proportional to 18,439.24, 25,446.42 and 10,481.64

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Solution

The fourth proportional to 18,439.24, 25,446.42 and 10,481.64 is: 14,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.24 : 25,446.42 = 10,481.64 : x
  2. Step 2: Convert to fraction form
    18,439.24/25,446.42 = 10,481.64/x
  3. Step 3: Cross multiply
    18,439.24x = 25,446.42 × 10,481.64
  4. Step 4: Simplify right side
    18,439.24x = 266,720,213.73
  5. Step 5: Solve for x
    x = 266,720,213.73/18,439.24
  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.