Home / 22,631.35-33,936.05-13,274.43

Finding the Fourth Proportional to 22,631.35, 33,936.05 and 13,274.43

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Solution

The fourth proportional to 22,631.35, 33,936.05 and 13,274.43 is: 19,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.35 : 33,936.05 = 13,274.43 : x
  2. Step 2: Convert to fraction form
    22,631.35/33,936.05 = 13,274.43/x
  3. Step 3: Cross multiply
    22,631.35x = 33,936.05 × 13,274.43
  4. Step 4: Simplify right side
    22,631.35x = 450,481,720.20
  5. Step 5: Solve for x
    x = 450,481,720.20/22,631.35
  6. Step 6: Final answer
    x = 19,905.21

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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.