Home / 20,092.45-30,134.55-7,608.16

Finding the Fourth Proportional to 20,092.45, 30,134.55 and 7,608.16

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Solution

The fourth proportional to 20,092.45, 30,134.55 and 7,608.16 is: 11,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.45 : 30,134.55 = 7,608.16 : x
  2. Step 2: Convert to fraction form
    20,092.45/30,134.55 = 7,608.16/x
  3. Step 3: Cross multiply
    20,092.45x = 30,134.55 × 7,608.16
  4. Step 4: Simplify right side
    20,092.45x = 229,268,553.26
  5. Step 5: Solve for x
    x = 229,268,553.26/20,092.45
  6. Step 6: Final answer
    x = 11,410.68

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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.