Home / 20,793.52-31,197.48-12,993.04

Finding the Fourth Proportional to 20,793.52, 31,197.48 and 12,993.04

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Solution

The fourth proportional to 20,793.52, 31,197.48 and 12,993.04 is: 19,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.52 : 31,197.48 = 12,993.04 : x
  2. Step 2: Convert to fraction form
    20,793.52/31,197.48 = 12,993.04/x
  3. Step 3: Cross multiply
    20,793.52x = 31,197.48 × 12,993.04
  4. Step 4: Simplify right side
    20,793.52x = 405,350,105.54
  5. Step 5: Solve for x
    x = 405,350,105.54/20,793.52
  6. Step 6: Final answer
    x = 19,494.06

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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.