Home / 18,715.88-28,067.76-6,232.56

Finding the Fourth Proportional to 18,715.88, 28,067.76 and 6,232.56

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Solution

The fourth proportional to 18,715.88, 28,067.76 and 6,232.56 is: 9,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.88 : 28,067.76 = 6,232.56 : x
  2. Step 2: Convert to fraction form
    18,715.88/28,067.76 = 6,232.56/x
  3. Step 3: Cross multiply
    18,715.88x = 28,067.76 × 6,232.56
  4. Step 4: Simplify right side
    18,715.88x = 174,933,998.27
  5. Step 5: Solve for x
    x = 174,933,998.27/18,715.88
  6. Step 6: Final answer
    x = 9,346.82

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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.