Home / 27,198.57-40,789.22-8,726.25

Finding the Fourth Proportional to 27,198.57, 40,789.22 and 8,726.25

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Solution

The fourth proportional to 27,198.57, 40,789.22 and 8,726.25 is: 13,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.57 : 40,789.22 = 8,726.25 : x
  2. Step 2: Convert to fraction form
    27,198.57/40,789.22 = 8,726.25/x
  3. Step 3: Cross multiply
    27,198.57x = 40,789.22 × 8,726.25
  4. Step 4: Simplify right side
    27,198.57x = 355,936,887.39
  5. Step 5: Solve for x
    x = 355,936,887.39/27,198.57
  6. Step 6: Final answer
    x = 13,086.60

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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.