Home / 22,202.91-30,625.70-13,243.50

Finding the Fourth Proportional to 22,202.91, 30,625.70 and 13,243.50

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Solution

The fourth proportional to 22,202.91, 30,625.70 and 13,243.50 is: 18,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.91 : 30,625.70 = 13,243.50 : x
  2. Step 2: Convert to fraction form
    22,202.91/30,625.70 = 13,243.50/x
  3. Step 3: Cross multiply
    22,202.91x = 30,625.70 × 13,243.50
  4. Step 4: Simplify right side
    22,202.91x = 405,591,391.73
  5. Step 5: Solve for x
    x = 405,591,391.73/22,202.91
  6. Step 6: Final answer
    x = 18,267.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.