Home / 18,654.24-25,724.16-11,932.32

Finding the Fourth Proportional to 18,654.24, 25,724.16 and 11,932.32

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Solution

The fourth proportional to 18,654.24, 25,724.16 and 11,932.32 is: 16,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.24 : 25,724.16 = 11,932.32 : x
  2. Step 2: Convert to fraction form
    18,654.24/25,724.16 = 11,932.32/x
  3. Step 3: Cross multiply
    18,654.24x = 25,724.16 × 11,932.32
  4. Step 4: Simplify right side
    18,654.24x = 306,948,908.85
  5. Step 5: Solve for x
    x = 306,948,908.85/18,654.24
  6. Step 6: Final answer
    x = 16,454.65

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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.