Home / 13,371.04-20,046.84-8,180.56

Finding the Fourth Proportional to 13,371.04, 20,046.84 and 8,180.56

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Solution

The fourth proportional to 13,371.04, 20,046.84 and 8,180.56 is: 12,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.04 : 20,046.84 = 8,180.56 : x
  2. Step 2: Convert to fraction form
    13,371.04/20,046.84 = 8,180.56/x
  3. Step 3: Cross multiply
    13,371.04x = 20,046.84 × 8,180.56
  4. Step 4: Simplify right side
    13,371.04x = 163,994,377.43
  5. Step 5: Solve for x
    x = 163,994,377.43/13,371.04
  6. Step 6: Final answer
    x = 12,264.89

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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.