Home / 16,520.82-22,791.36-9,806.73

Finding the Fourth Proportional to 16,520.82, 22,791.36 and 9,806.73

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Solution

The fourth proportional to 16,520.82, 22,791.36 and 9,806.73 is: 13,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.82 : 22,791.36 = 9,806.73 : x
  2. Step 2: Convert to fraction form
    16,520.82/22,791.36 = 9,806.73/x
  3. Step 3: Cross multiply
    16,520.82x = 22,791.36 × 9,806.73
  4. Step 4: Simplify right side
    16,520.82x = 223,508,713.85
  5. Step 5: Solve for x
    x = 223,508,713.85/16,520.82
  6. Step 6: Final answer
    x = 13,528.91

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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.