Home / 20,481.39-30,727.62-7,337.52

Finding the Fourth Proportional to 20,481.39, 30,727.62 and 7,337.52

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Solution

The fourth proportional to 20,481.39, 30,727.62 and 7,337.52 is: 11,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,481.39 : 30,727.62 = 7,337.52 : x
  2. Step 2: Convert to fraction form
    20,481.39/30,727.62 = 7,337.52/x
  3. Step 3: Cross multiply
    20,481.39x = 30,727.62 × 7,337.52
  4. Step 4: Simplify right side
    20,481.39x = 225,464,526.30
  5. Step 5: Solve for x
    x = 225,464,526.30/20,481.39
  6. Step 6: Final answer
    x = 11,008.26

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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.