Home / 26,121.70-39,182.55-16,255.90

Finding the Fourth Proportional to 26,121.70, 39,182.55 and 16,255.90

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Solution

The fourth proportional to 26,121.70, 39,182.55 and 16,255.90 is: 24,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.70 : 39,182.55 = 16,255.90 : x
  2. Step 2: Convert to fraction form
    26,121.70/39,182.55 = 16,255.90/x
  3. Step 3: Cross multiply
    26,121.70x = 39,182.55 × 16,255.90
  4. Step 4: Simplify right side
    26,121.70x = 636,947,614.55
  5. Step 5: Solve for x
    x = 636,947,614.55/26,121.70
  6. Step 6: Final answer
    x = 24,383.85

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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.