Home / 18,793.44-28,189.96-5,645.26

Finding the Fourth Proportional to 18,793.44, 28,189.96 and 5,645.26

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Solution

The fourth proportional to 18,793.44, 28,189.96 and 5,645.26 is: 8,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.44 : 28,189.96 = 5,645.26 : x
  2. Step 2: Convert to fraction form
    18,793.44/28,189.96 = 5,645.26/x
  3. Step 3: Cross multiply
    18,793.44x = 28,189.96 × 5,645.26
  4. Step 4: Simplify right side
    18,793.44x = 159,139,653.59
  5. Step 5: Solve for x
    x = 159,139,653.59/18,793.44
  6. Step 6: Final answer
    x = 8,467.83

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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.