Home / 26,480.39-39,720.55-6,758.95

Finding the Fourth Proportional to 26,480.39, 39,720.55 and 6,758.95

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Solution

The fourth proportional to 26,480.39, 39,720.55 and 6,758.95 is: 10,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.39 : 39,720.55 = 6,758.95 : x
  2. Step 2: Convert to fraction form
    26,480.39/39,720.55 = 6,758.95/x
  3. Step 3: Cross multiply
    26,480.39x = 39,720.55 × 6,758.95
  4. Step 4: Simplify right side
    26,480.39x = 268,469,182.37
  5. Step 5: Solve for x
    x = 268,469,182.37/26,480.39
  6. Step 6: Final answer
    x = 10,138.41

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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.