Home / 22,163.44-30,591.90-13,097.20

Finding the Fourth Proportional to 22,163.44, 30,591.90 and 13,097.20

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Solution

The fourth proportional to 22,163.44, 30,591.90 and 13,097.20 is: 18,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.44 : 30,591.90 = 13,097.20 : x
  2. Step 2: Convert to fraction form
    22,163.44/30,591.90 = 13,097.20/x
  3. Step 3: Cross multiply
    22,163.44x = 30,591.90 × 13,097.20
  4. Step 4: Simplify right side
    22,163.44x = 400,668,232.68
  5. Step 5: Solve for x
    x = 400,668,232.68/22,163.44
  6. Step 6: Final answer
    x = 18,077.89

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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.