Home / 22,214.44-33,308.70-12,961

Finding the Fourth Proportional to 22,214.44, 33,308.70 and 12,961

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Solution

The fourth proportional to 22,214.44, 33,308.70 and 12,961 is: 19,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,214.44 : 33,308.70 = 12,961 : x
  2. Step 2: Convert to fraction form
    22,214.44/33,308.70 = 12,961/x
  3. Step 3: Cross multiply
    22,214.44x = 33,308.70 × 12,961
  4. Step 4: Simplify right side
    22,214.44x = 431,714,060.70
  5. Step 5: Solve for x
    x = 431,714,060.70/22,214.44
  6. Step 6: Final answer
    x = 19,433.94

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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.