Home / 27,559.24-38,049.30-18,144.04

Finding the Fourth Proportional to 27,559.24, 38,049.30 and 18,144.04

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Solution

The fourth proportional to 27,559.24, 38,049.30 and 18,144.04 is: 25,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.24 : 38,049.30 = 18,144.04 : x
  2. Step 2: Convert to fraction form
    27,559.24/38,049.30 = 18,144.04/x
  3. Step 3: Cross multiply
    27,559.24x = 38,049.30 × 18,144.04
  4. Step 4: Simplify right side
    27,559.24x = 690,368,021.17
  5. Step 5: Solve for x
    x = 690,368,021.17/27,559.24
  6. Step 6: Final answer
    x = 25,050.33

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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.