Home / 26,163.90-39,245.67-8,635.14

Finding the Fourth Proportional to 26,163.90, 39,245.67 and 8,635.14

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Solution

The fourth proportional to 26,163.90, 39,245.67 and 8,635.14 is: 12,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.90 : 39,245.67 = 8,635.14 : x
  2. Step 2: Convert to fraction form
    26,163.90/39,245.67 = 8,635.14/x
  3. Step 3: Cross multiply
    26,163.90x = 39,245.67 × 8,635.14
  4. Step 4: Simplify right side
    26,163.90x = 338,891,854.84
  5. Step 5: Solve for x
    x = 338,891,854.84/26,163.90
  6. Step 6: Final answer
    x = 12,952.65

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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.