Home / 27,187.38-37,540.26-18,242.82

Finding the Fourth Proportional to 27,187.38, 37,540.26 and 18,242.82

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Solution

The fourth proportional to 27,187.38, 37,540.26 and 18,242.82 is: 25,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.38 : 37,540.26 = 18,242.82 : x
  2. Step 2: Convert to fraction form
    27,187.38/37,540.26 = 18,242.82/x
  3. Step 3: Cross multiply
    27,187.38x = 37,540.26 × 18,242.82
  4. Step 4: Simplify right side
    27,187.38x = 684,840,205.93
  5. Step 5: Solve for x
    x = 684,840,205.93/27,187.38
  6. Step 6: Final answer
    x = 25,189.64

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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.