Home / 22,107.54-33,161.36-18,203.75

Finding the Fourth Proportional to 22,107.54, 33,161.36 and 18,203.75

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Solution

The fourth proportional to 22,107.54, 33,161.36 and 18,203.75 is: 27,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.54 : 33,161.36 = 18,203.75 : x
  2. Step 2: Convert to fraction form
    22,107.54/33,161.36 = 18,203.75/x
  3. Step 3: Cross multiply
    22,107.54x = 33,161.36 × 18,203.75
  4. Step 4: Simplify right side
    22,107.54x = 603,660,850.27
  5. Step 5: Solve for x
    x = 603,660,850.27/22,107.54
  6. Step 6: Final answer
    x = 27,305.65

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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.