Home / 22,240.88-33,361.36-8,919.92

Finding the Fourth Proportional to 22,240.88, 33,361.36 and 8,919.92

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Solution

The fourth proportional to 22,240.88, 33,361.36 and 8,919.92 is: 13,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,240.88 : 33,361.36 = 8,919.92 : x
  2. Step 2: Convert to fraction form
    22,240.88/33,361.36 = 8,919.92/x
  3. Step 3: Cross multiply
    22,240.88x = 33,361.36 × 8,919.92
  4. Step 4: Simplify right side
    22,240.88x = 297,580,662.29
  5. Step 5: Solve for x
    x = 297,580,662.29/22,240.88
  6. Step 6: Final answer
    x = 13,379.90

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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.