Home / 13,229.34-19,844.13-3,368.61

Finding the Fourth Proportional to 13,229.34, 19,844.13 and 3,368.61

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Solution

The fourth proportional to 13,229.34, 19,844.13 and 3,368.61 is: 5,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.34 : 19,844.13 = 3,368.61 : x
  2. Step 2: Convert to fraction form
    13,229.34/19,844.13 = 3,368.61/x
  3. Step 3: Cross multiply
    13,229.34x = 19,844.13 × 3,368.61
  4. Step 4: Simplify right side
    13,229.34x = 66,847,134.76
  5. Step 5: Solve for x
    x = 66,847,134.76/13,229.34
  6. Step 6: Final answer
    x = 5,052.95

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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.