Home / 19,908.05-27,494.64-12,372.41

Finding the Fourth Proportional to 19,908.05, 27,494.64 and 12,372.41

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Solution

The fourth proportional to 19,908.05, 27,494.64 and 12,372.41 is: 17,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.05 : 27,494.64 = 12,372.41 : x
  2. Step 2: Convert to fraction form
    19,908.05/27,494.64 = 12,372.41/x
  3. Step 3: Cross multiply
    19,908.05x = 27,494.64 × 12,372.41
  4. Step 4: Simplify right side
    19,908.05x = 340,175,027.62
  5. Step 5: Solve for x
    x = 340,175,027.62/19,908.05
  6. Step 6: Final answer
    x = 17,087.31

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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.