Home / 27,642.67-38,146.88-15,067.42

Finding the Fourth Proportional to 27,642.67, 38,146.88 and 15,067.42

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Solution

The fourth proportional to 27,642.67, 38,146.88 and 15,067.42 is: 20,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.67 : 38,146.88 = 15,067.42 : x
  2. Step 2: Convert to fraction form
    27,642.67/38,146.88 = 15,067.42/x
  3. Step 3: Cross multiply
    27,642.67x = 38,146.88 × 15,067.42
  4. Step 4: Simplify right side
    27,642.67x = 574,775,004.95
  5. Step 5: Solve for x
    x = 574,775,004.95/27,642.67
  6. Step 6: Final answer
    x = 20,793.04

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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.