Home / 22,405.82-33,516.38-18,412.11

Finding the Fourth Proportional to 22,405.82, 33,516.38 and 18,412.11

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Solution

The fourth proportional to 22,405.82, 33,516.38 and 18,412.11 is: 27,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.82 : 33,516.38 = 18,412.11 : x
  2. Step 2: Convert to fraction form
    22,405.82/33,516.38 = 18,412.11/x
  3. Step 3: Cross multiply
    22,405.82x = 33,516.38 × 18,412.11
  4. Step 4: Simplify right side
    22,405.82x = 617,107,321.39
  5. Step 5: Solve for x
    x = 617,107,321.39/22,405.82
  6. Step 6: Final answer
    x = 27,542.28

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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.