Home / 22,261.85-33,339.77-12,882.09

Finding the Fourth Proportional to 22,261.85, 33,339.77 and 12,882.09

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Solution

The fourth proportional to 22,261.85, 33,339.77 and 12,882.09 is: 19,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.85 : 33,339.77 = 12,882.09 : x
  2. Step 2: Convert to fraction form
    22,261.85/33,339.77 = 12,882.09/x
  3. Step 3: Cross multiply
    22,261.85x = 33,339.77 × 12,882.09
  4. Step 4: Simplify right side
    22,261.85x = 429,485,853.31
  5. Step 5: Solve for x
    x = 429,485,853.31/22,261.85
  6. Step 6: Final answer
    x = 19,292.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.