Home / 20,313.04-30,469.56-5,521.96

Finding the Fourth Proportional to 20,313.04, 30,469.56 and 5,521.96

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Solution

The fourth proportional to 20,313.04, 30,469.56 and 5,521.96 is: 8,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.04 : 30,469.56 = 5,521.96 : x
  2. Step 2: Convert to fraction form
    20,313.04/30,469.56 = 5,521.96/x
  3. Step 3: Cross multiply
    20,313.04x = 30,469.56 × 5,521.96
  4. Step 4: Simplify right side
    20,313.04x = 168,251,691.54
  5. Step 5: Solve for x
    x = 168,251,691.54/20,313.04
  6. Step 6: Final answer
    x = 8,282.94

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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.