Home / 12,625.11-18,954.45-10,788.03

Finding the Fourth Proportional to 12,625.11, 18,954.45 and 10,788.03

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Solution

The fourth proportional to 12,625.11, 18,954.45 and 10,788.03 is: 16,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.11 : 18,954.45 = 10,788.03 : x
  2. Step 2: Convert to fraction form
    12,625.11/18,954.45 = 10,788.03/x
  3. Step 3: Cross multiply
    12,625.11x = 18,954.45 × 10,788.03
  4. Step 4: Simplify right side
    12,625.11x = 204,481,175.23
  5. Step 5: Solve for x
    x = 204,481,175.23/12,625.11
  6. Step 6: Final answer
    x = 16,196.39

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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.