Home / 25,976.32-38,956.26-8,442.04

Finding the Fourth Proportional to 25,976.32, 38,956.26 and 8,442.04

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Solution

The fourth proportional to 25,976.32, 38,956.26 and 8,442.04 is: 12,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,976.32 : 38,956.26 = 8,442.04 : x
  2. Step 2: Convert to fraction form
    25,976.32/38,956.26 = 8,442.04/x
  3. Step 3: Cross multiply
    25,976.32x = 38,956.26 × 8,442.04
  4. Step 4: Simplify right side
    25,976.32x = 328,870,305.17
  5. Step 5: Solve for x
    x = 328,870,305.17/25,976.32
  6. Step 6: Final answer
    x = 12,660.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.