Home / 22,161.32-33,163.91-13,845.25

Finding the Fourth Proportional to 22,161.32, 33,163.91 and 13,845.25

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Solution

The fourth proportional to 22,161.32, 33,163.91 and 13,845.25 is: 20,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.32 : 33,163.91 = 13,845.25 : x
  2. Step 2: Convert to fraction form
    22,161.32/33,163.91 = 13,845.25/x
  3. Step 3: Cross multiply
    22,161.32x = 33,163.91 × 13,845.25
  4. Step 4: Simplify right side
    22,161.32x = 459,162,624.93
  5. Step 5: Solve for x
    x = 459,162,624.93/22,161.32
  6. Step 6: Final answer
    x = 20,719.10

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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.