Home / 27,672.14-38,193.23-16,918.85

Finding the Fourth Proportional to 27,672.14, 38,193.23 and 16,918.85

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Solution

The fourth proportional to 27,672.14, 38,193.23 and 16,918.85 is: 23,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.14 : 38,193.23 = 16,918.85 : x
  2. Step 2: Convert to fraction form
    27,672.14/38,193.23 = 16,918.85/x
  3. Step 3: Cross multiply
    27,672.14x = 38,193.23 × 16,918.85
  4. Step 4: Simplify right side
    27,672.14x = 646,185,380.72
  5. Step 5: Solve for x
    x = 646,185,380.72/27,672.14
  6. Step 6: Final answer
    x = 23,351.48

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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.