Home / 25,633.60-38,443.20-8,108.80

Finding the Fourth Proportional to 25,633.60, 38,443.20 and 8,108.80

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Solution

The fourth proportional to 25,633.60, 38,443.20 and 8,108.80 is: 12,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,633.60 : 38,443.20 = 8,108.80 : x
  2. Step 2: Convert to fraction form
    25,633.60/38,443.20 = 8,108.80/x
  3. Step 3: Cross multiply
    25,633.60x = 38,443.20 × 8,108.80
  4. Step 4: Simplify right side
    25,633.60x = 311,728,220.16
  5. Step 5: Solve for x
    x = 311,728,220.16/25,633.60
  6. Step 6: Final answer
    x = 12,160.92

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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.