Home / 20,190.56-27,770.24-16,202.93

Finding the Fourth Proportional to 20,190.56, 27,770.24 and 16,202.93

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Solution

The fourth proportional to 20,190.56, 27,770.24 and 16,202.93 is: 22,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190.56 : 27,770.24 = 16,202.93 : x
  2. Step 2: Convert to fraction form
    20,190.56/27,770.24 = 16,202.93/x
  3. Step 3: Cross multiply
    20,190.56x = 27,770.24 × 16,202.93
  4. Step 4: Simplify right side
    20,190.56x = 449,959,115.95
  5. Step 5: Solve for x
    x = 449,959,115.95/20,190.56
  6. Step 6: Final answer
    x = 22,285.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.