Home / 12,251.88-18,376.45-3,367.89

Finding the Fourth Proportional to 12,251.88, 18,376.45 and 3,367.89

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Solution

The fourth proportional to 12,251.88, 18,376.45 and 3,367.89 is: 5,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.88 : 18,376.45 = 3,367.89 : x
  2. Step 2: Convert to fraction form
    12,251.88/18,376.45 = 3,367.89/x
  3. Step 3: Cross multiply
    12,251.88x = 18,376.45 × 3,367.89
  4. Step 4: Simplify right side
    12,251.88x = 61,889,862.19
  5. Step 5: Solve for x
    x = 61,889,862.19/12,251.88
  6. Step 6: Final answer
    x = 5,051.46

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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.