Home / 14,546.61-20,081.96-9,791.57

Finding the Fourth Proportional to 14,546.61, 20,081.96 and 9,791.57

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Solution

The fourth proportional to 14,546.61, 20,081.96 and 9,791.57 is: 13,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.61 : 20,081.96 = 9,791.57 : x
  2. Step 2: Convert to fraction form
    14,546.61/20,081.96 = 9,791.57/x
  3. Step 3: Cross multiply
    14,546.61x = 20,081.96 × 9,791.57
  4. Step 4: Simplify right side
    14,546.61x = 196,633,917.08
  5. Step 5: Solve for x
    x = 196,633,917.08/14,546.61
  6. Step 6: Final answer
    x = 13,517.51

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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.