Home / 13,274.84-19,913.38-3,414.11

Finding the Fourth Proportional to 13,274.84, 19,913.38 and 3,414.11

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Solution

The fourth proportional to 13,274.84, 19,913.38 and 3,414.11 is: 5,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.84 : 19,913.38 = 3,414.11 : x
  2. Step 2: Convert to fraction form
    13,274.84/19,913.38 = 3,414.11/x
  3. Step 3: Cross multiply
    13,274.84x = 19,913.38 × 3,414.11
  4. Step 4: Simplify right side
    13,274.84x = 67,986,361.69
  5. Step 5: Solve for x
    x = 67,986,361.69/13,274.84
  6. Step 6: Final answer
    x = 5,121.44

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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.