Home / 12,701.88-19,052.92-3,936.74

Finding the Fourth Proportional to 12,701.88, 19,052.92 and 3,936.74

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Solution

The fourth proportional to 12,701.88, 19,052.92 and 3,936.74 is: 5,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.88 : 19,052.92 = 3,936.74 : x
  2. Step 2: Convert to fraction form
    12,701.88/19,052.92 = 3,936.74/x
  3. Step 3: Cross multiply
    12,701.88x = 19,052.92 × 3,936.74
  4. Step 4: Simplify right side
    12,701.88x = 75,006,392.28
  5. Step 5: Solve for x
    x = 75,006,392.28/12,701.88
  6. Step 6: Final answer
    x = 5,905.14

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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.