Home / 25,626.38-38,439.82-8,986.82

Finding the Fourth Proportional to 25,626.38, 38,439.82 and 8,986.82

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Solution

The fourth proportional to 25,626.38, 38,439.82 and 8,986.82 is: 13,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,626.38 : 38,439.82 = 8,986.82 : x
  2. Step 2: Convert to fraction form
    25,626.38/38,439.82 = 8,986.82/x
  3. Step 3: Cross multiply
    25,626.38x = 38,439.82 × 8,986.82
  4. Step 4: Simplify right side
    25,626.38x = 345,451,743.17
  5. Step 5: Solve for x
    x = 345,451,743.17/25,626.38
  6. Step 6: Final answer
    x = 13,480.32

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1.5x scale

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.