Home / 18,103.44-27,149.38-16,922.76

Finding the Fourth Proportional to 18,103.44, 27,149.38 and 16,922.76

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Solution

The fourth proportional to 18,103.44, 27,149.38 and 16,922.76 is: 25,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.44 : 27,149.38 = 16,922.76 : x
  2. Step 2: Convert to fraction form
    18,103.44/27,149.38 = 16,922.76/x
  3. Step 3: Cross multiply
    18,103.44x = 27,149.38 × 16,922.76
  4. Step 4: Simplify right side
    18,103.44x = 459,442,441.89
  5. Step 5: Solve for x
    x = 459,442,441.89/18,103.44
  6. Step 6: Final answer
    x = 25,378.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.