Home / 25,610.92-38,422.55-8,080.70

Finding the Fourth Proportional to 25,610.92, 38,422.55 and 8,080.70

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Solution

The fourth proportional to 25,610.92, 38,422.55 and 8,080.70 is: 12,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610.92 : 38,422.55 = 8,080.70 : x
  2. Step 2: Convert to fraction form
    25,610.92/38,422.55 = 8,080.70/x
  3. Step 3: Cross multiply
    25,610.92x = 38,422.55 × 8,080.70
  4. Step 4: Simplify right side
    25,610.92x = 310,480,927.87
  5. Step 5: Solve for x
    x = 310,480,927.87/25,610.92
  6. Step 6: Final answer
    x = 12,122.99

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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.