Home / 18,112.40-27,173.22-5,632.53

Finding the Fourth Proportional to 18,112.40, 27,173.22 and 5,632.53

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Solution

The fourth proportional to 18,112.40, 27,173.22 and 5,632.53 is: 8,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.40 : 27,173.22 = 5,632.53 : x
  2. Step 2: Convert to fraction form
    18,112.40/27,173.22 = 5,632.53/x
  3. Step 3: Cross multiply
    18,112.40x = 27,173.22 × 5,632.53
  4. Step 4: Simplify right side
    18,112.40x = 153,053,976.85
  5. Step 5: Solve for x
    x = 153,053,976.85/18,112.40
  6. Step 6: Final answer
    x = 8,450.23

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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.