Home / 25,991.27-38,991.11-10,187.73

Finding the Fourth Proportional to 25,991.27, 38,991.11 and 10,187.73

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Solution

The fourth proportional to 25,991.27, 38,991.11 and 10,187.73 is: 15,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.27 : 38,991.11 = 10,187.73 : x
  2. Step 2: Convert to fraction form
    25,991.27/38,991.11 = 10,187.73/x
  3. Step 3: Cross multiply
    25,991.27x = 38,991.11 × 10,187.73
  4. Step 4: Simplify right side
    25,991.27x = 397,230,901.08
  5. Step 5: Solve for x
    x = 397,230,901.08/25,991.27
  6. Step 6: Final answer
    x = 15,283.24

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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.