Home / 22,321.36-33,446.68-18,141.20

Finding the Fourth Proportional to 22,321.36, 33,446.68 and 18,141.20

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Solution

The fourth proportional to 22,321.36, 33,446.68 and 18,141.20 is: 27,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.36 : 33,446.68 = 18,141.20 : x
  2. Step 2: Convert to fraction form
    22,321.36/33,446.68 = 18,141.20/x
  3. Step 3: Cross multiply
    22,321.36x = 33,446.68 × 18,141.20
  4. Step 4: Simplify right side
    22,321.36x = 606,762,911.22
  5. Step 5: Solve for x
    x = 606,762,911.22/22,321.36
  6. Step 6: Final answer
    x = 27,183.06

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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.