Home / 12,836.84-19,255.93-4,072.43

Finding the Fourth Proportional to 12,836.84, 19,255.93 and 4,072.43

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Solution

The fourth proportional to 12,836.84, 19,255.93 and 4,072.43 is: 6,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.84 : 19,255.93 = 4,072.43 : x
  2. Step 2: Convert to fraction form
    12,836.84/19,255.93 = 4,072.43/x
  3. Step 3: Cross multiply
    12,836.84x = 19,255.93 × 4,072.43
  4. Step 4: Simplify right side
    12,836.84x = 78,418,464.97
  5. Step 5: Solve for x
    x = 78,418,464.97/12,836.84
  6. Step 6: Final answer
    x = 6,108.86

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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.