Home / 18,806.93-25,932.29-11,991.85

Finding the Fourth Proportional to 18,806.93, 25,932.29 and 11,991.85

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Solution

The fourth proportional to 18,806.93, 25,932.29 and 11,991.85 is: 16,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.93 : 25,932.29 = 11,991.85 : x
  2. Step 2: Convert to fraction form
    18,806.93/25,932.29 = 11,991.85/x
  3. Step 3: Cross multiply
    18,806.93x = 25,932.29 × 11,991.85
  4. Step 4: Simplify right side
    18,806.93x = 310,976,007.05
  5. Step 5: Solve for x
    x = 310,976,007.05/18,806.93
  6. Step 6: Final answer
    x = 16,535.19

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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.