Home / 19,236.24-28,793.88-18,786.96

Finding the Fourth Proportional to 19,236.24, 28,793.88 and 18,786.96

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Solution

The fourth proportional to 19,236.24, 28,793.88 and 18,786.96 is: 28,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.24 : 28,793.88 = 18,786.96 : x
  2. Step 2: Convert to fraction form
    19,236.24/28,793.88 = 18,786.96/x
  3. Step 3: Cross multiply
    19,236.24x = 28,793.88 × 18,786.96
  4. Step 4: Simplify right side
    19,236.24x = 540,949,471.80
  5. Step 5: Solve for x
    x = 540,949,471.80/19,236.24
  6. Step 6: Final answer
    x = 28,121.37

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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.