Home / 26,249.47-39,373.49-8,480.09

Finding the Fourth Proportional to 26,249.47, 39,373.49 and 8,480.09

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Solution

The fourth proportional to 26,249.47, 39,373.49 and 8,480.09 is: 12,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,249.47 : 39,373.49 = 8,480.09 : x
  2. Step 2: Convert to fraction form
    26,249.47/39,373.49 = 8,480.09/x
  3. Step 3: Cross multiply
    26,249.47x = 39,373.49 × 8,480.09
  4. Step 4: Simplify right side
    26,249.47x = 333,890,858.45
  5. Step 5: Solve for x
    x = 333,890,858.45/26,249.47
  6. Step 6: Final answer
    x = 12,719.91

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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.