Home / 20,002.92-27,603.88-11,049.72

Finding the Fourth Proportional to 20,002.92, 27,603.88 and 11,049.72

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Solution

The fourth proportional to 20,002.92, 27,603.88 and 11,049.72 is: 15,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.92 : 27,603.88 = 11,049.72 : x
  2. Step 2: Convert to fraction form
    20,002.92/27,603.88 = 11,049.72/x
  3. Step 3: Cross multiply
    20,002.92x = 27,603.88 × 11,049.72
  4. Step 4: Simplify right side
    20,002.92x = 305,015,144.91
  5. Step 5: Solve for x
    x = 305,015,144.91/20,002.92
  6. Step 6: Final answer
    x = 15,248.53

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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.