Home / 19,614.44-27,079.10-12,919.52

Finding the Fourth Proportional to 19,614.44, 27,079.10 and 12,919.52

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Solution

The fourth proportional to 19,614.44, 27,079.10 and 12,919.52 is: 17,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.44 : 27,079.10 = 12,919.52 : x
  2. Step 2: Convert to fraction form
    19,614.44/27,079.10 = 12,919.52/x
  3. Step 3: Cross multiply
    19,614.44x = 27,079.10 × 12,919.52
  4. Step 4: Simplify right side
    19,614.44x = 349,848,974.03
  5. Step 5: Solve for x
    x = 349,848,974.03/19,614.44
  6. Step 6: Final answer
    x = 17,836.30

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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.