Home / 26,600.09-39,900.15-8,132.09

Finding the Fourth Proportional to 26,600.09, 39,900.15 and 8,132.09

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Solution

The fourth proportional to 26,600.09, 39,900.15 and 8,132.09 is: 12,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,600.09 : 39,900.15 = 8,132.09 : x
  2. Step 2: Convert to fraction form
    26,600.09/39,900.15 = 8,132.09/x
  3. Step 3: Cross multiply
    26,600.09x = 39,900.15 × 8,132.09
  4. Step 4: Simplify right side
    26,600.09x = 324,471,411.31
  5. Step 5: Solve for x
    x = 324,471,411.31/26,600.09
  6. Step 6: Final answer
    x = 12,198.13

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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.