Home / 27,676.74-38,180.97-18,116.82

Finding the Fourth Proportional to 27,676.74, 38,180.97 and 18,116.82

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Solution

The fourth proportional to 27,676.74, 38,180.97 and 18,116.82 is: 24,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.74 : 38,180.97 = 18,116.82 : x
  2. Step 2: Convert to fraction form
    27,676.74/38,180.97 = 18,116.82/x
  3. Step 3: Cross multiply
    27,676.74x = 38,180.97 × 18,116.82
  4. Step 4: Simplify right side
    27,676.74x = 691,717,760.92
  5. Step 5: Solve for x
    x = 691,717,760.92/27,676.74
  6. Step 6: Final answer
    x = 24,992.75

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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.