Home / 27,654.58-38,163.57-15,079.38

Finding the Fourth Proportional to 27,654.58, 38,163.57 and 15,079.38

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Solution

The fourth proportional to 27,654.58, 38,163.57 and 15,079.38 is: 20,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.58 : 38,163.57 = 15,079.38 : x
  2. Step 2: Convert to fraction form
    27,654.58/38,163.57 = 15,079.38/x
  3. Step 3: Cross multiply
    27,654.58x = 38,163.57 × 15,079.38
  4. Step 4: Simplify right side
    27,654.58x = 575,482,974.19
  5. Step 5: Solve for x
    x = 575,482,974.19/27,654.58
  6. Step 6: Final answer
    x = 20,809.68

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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.