Home / 20,593.96-28,419.78-11,162.44

Finding the Fourth Proportional to 20,593.96, 28,419.78 and 11,162.44

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Solution

The fourth proportional to 20,593.96, 28,419.78 and 11,162.44 is: 15,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.96 : 28,419.78 = 11,162.44 : x
  2. Step 2: Convert to fraction form
    20,593.96/28,419.78 = 11,162.44/x
  3. Step 3: Cross multiply
    20,593.96x = 28,419.78 × 11,162.44
  4. Step 4: Simplify right side
    20,593.96x = 317,234,089.06
  5. Step 5: Solve for x
    x = 317,234,089.06/20,593.96
  6. Step 6: Final answer
    x = 15,404.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.