Home / 18,190.44-27,285.66-5,711.56

Finding the Fourth Proportional to 18,190.44, 27,285.66 and 5,711.56

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Solution

The fourth proportional to 18,190.44, 27,285.66 and 5,711.56 is: 8,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.44 : 27,285.66 = 5,711.56 : x
  2. Step 2: Convert to fraction form
    18,190.44/27,285.66 = 5,711.56/x
  3. Step 3: Cross multiply
    18,190.44x = 27,285.66 × 5,711.56
  4. Step 4: Simplify right side
    18,190.44x = 155,843,769.50
  5. Step 5: Solve for x
    x = 155,843,769.50/18,190.44
  6. Step 6: Final answer
    x = 8,567.34

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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.