Home / 19,174.42-28,757.30-7,481.62

Finding the Fourth Proportional to 19,174.42, 28,757.30 and 7,481.62

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Solution

The fourth proportional to 19,174.42, 28,757.30 and 7,481.62 is: 11,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.42 : 28,757.30 = 7,481.62 : x
  2. Step 2: Convert to fraction form
    19,174.42/28,757.30 = 7,481.62/x
  3. Step 3: Cross multiply
    19,174.42x = 28,757.30 × 7,481.62
  4. Step 4: Simplify right side
    19,174.42x = 215,151,190.83
  5. Step 5: Solve for x
    x = 215,151,190.83/19,174.42
  6. Step 6: Final answer
    x = 11,220.74

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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.