Home / 19,974.82-27,576.30-12,019

Finding the Fourth Proportional to 19,974.82, 27,576.30 and 12,019

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Solution

The fourth proportional to 19,974.82, 27,576.30 and 12,019 is: 16,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.82 : 27,576.30 = 12,019 : x
  2. Step 2: Convert to fraction form
    19,974.82/27,576.30 = 12,019/x
  3. Step 3: Cross multiply
    19,974.82x = 27,576.30 × 12,019
  4. Step 4: Simplify right side
    19,974.82x = 331,439,549.70
  5. Step 5: Solve for x
    x = 331,439,549.70/19,974.82
  6. Step 6: Final answer
    x = 16,592.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.