Home / 22,138.83-33,171.35-18,202.23

Finding the Fourth Proportional to 22,138.83, 33,171.35 and 18,202.23

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Solution

The fourth proportional to 22,138.83, 33,171.35 and 18,202.23 is: 27,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.83 : 33,171.35 = 18,202.23 : x
  2. Step 2: Convert to fraction form
    22,138.83/33,171.35 = 18,202.23/x
  3. Step 3: Cross multiply
    22,138.83x = 33,171.35 × 18,202.23
  4. Step 4: Simplify right side
    22,138.83x = 603,792,451.10
  5. Step 5: Solve for x
    x = 603,792,451.10/22,138.83
  6. Step 6: Final answer
    x = 27,273.01

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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.