Home / 26,313.80-39,480.52-15,791.37

Finding the Fourth Proportional to 26,313.80, 39,480.52 and 15,791.37

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Solution

The fourth proportional to 26,313.80, 39,480.52 and 15,791.37 is: 23,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,313.80 : 39,480.52 = 15,791.37 : x
  2. Step 2: Convert to fraction form
    26,313.80/39,480.52 = 15,791.37/x
  3. Step 3: Cross multiply
    26,313.80x = 39,480.52 × 15,791.37
  4. Step 4: Simplify right side
    26,313.80x = 623,451,499.11
  5. Step 5: Solve for x
    x = 623,451,499.11/26,313.80
  6. Step 6: Final answer
    x = 23,692.95

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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.