Home / 25,450.57-38,170.83-8,581.92

Finding the Fourth Proportional to 25,450.57, 38,170.83 and 8,581.92

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Solution

The fourth proportional to 25,450.57, 38,170.83 and 8,581.92 is: 12,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.57 : 38,170.83 = 8,581.92 : x
  2. Step 2: Convert to fraction form
    25,450.57/38,170.83 = 8,581.92/x
  3. Step 3: Cross multiply
    25,450.57x = 38,170.83 × 8,581.92
  4. Step 4: Simplify right side
    25,450.57x = 327,578,898.44
  5. Step 5: Solve for x
    x = 327,578,898.44/25,450.57
  6. Step 6: Final answer
    x = 12,871.18

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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.