Home / 19,894.57-27,467.97-12,343.96

Finding the Fourth Proportional to 19,894.57, 27,467.97 and 12,343.96

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Solution

The fourth proportional to 19,894.57, 27,467.97 and 12,343.96 is: 17,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.57 : 27,467.97 = 12,343.96 : x
  2. Step 2: Convert to fraction form
    19,894.57/27,467.97 = 12,343.96/x
  3. Step 3: Cross multiply
    19,894.57x = 27,467.97 × 12,343.96
  4. Step 4: Simplify right side
    19,894.57x = 339,063,522.96
  5. Step 5: Solve for x
    x = 339,063,522.96/19,894.57
  6. Step 6: Final answer
    x = 17,043.02

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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.