Home / 25,677.24-38,515.55-8,147.22

Finding the Fourth Proportional to 25,677.24, 38,515.55 and 8,147.22

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Solution

The fourth proportional to 25,677.24, 38,515.55 and 8,147.22 is: 12,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,677.24 : 38,515.55 = 8,147.22 : x
  2. Step 2: Convert to fraction form
    25,677.24/38,515.55 = 8,147.22/x
  3. Step 3: Cross multiply
    25,677.24x = 38,515.55 × 8,147.22
  4. Step 4: Simplify right side
    25,677.24x = 313,794,659.27
  5. Step 5: Solve for x
    x = 313,794,659.27/25,677.24
  6. Step 6: Final answer
    x = 12,220.73

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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.