Home / 27,131.55-37,441.42-15,194.85

Finding the Fourth Proportional to 27,131.55, 37,441.42 and 15,194.85

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Solution

The fourth proportional to 27,131.55, 37,441.42 and 15,194.85 is: 20,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.55 : 37,441.42 = 15,194.85 : x
  2. Step 2: Convert to fraction form
    27,131.55/37,441.42 = 15,194.85/x
  3. Step 3: Cross multiply
    27,131.55x = 37,441.42 × 15,194.85
  4. Step 4: Simplify right side
    27,131.55x = 568,916,760.69
  5. Step 5: Solve for x
    x = 568,916,760.69/27,131.55
  6. Step 6: Final answer
    x = 20,968.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.