Home / 20,174.22-30,265.44-7,027.62

Finding the Fourth Proportional to 20,174.22, 30,265.44 and 7,027.62

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Solution

The fourth proportional to 20,174.22, 30,265.44 and 7,027.62 is: 10,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.22 : 30,265.44 = 7,027.62 : x
  2. Step 2: Convert to fraction form
    20,174.22/30,265.44 = 7,027.62/x
  3. Step 3: Cross multiply
    20,174.22x = 30,265.44 × 7,027.62
  4. Step 4: Simplify right side
    20,174.22x = 212,694,011.45
  5. Step 5: Solve for x
    x = 212,694,011.45/20,174.22
  6. Step 6: Final answer
    x = 10,542.86

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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.