Home / 19,745.05-27,248.17-11,247.96

Finding the Fourth Proportional to 19,745.05, 27,248.17 and 11,247.96

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Solution

The fourth proportional to 19,745.05, 27,248.17 and 11,247.96 is: 15,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.05 : 27,248.17 = 11,247.96 : x
  2. Step 2: Convert to fraction form
    19,745.05/27,248.17 = 11,247.96/x
  3. Step 3: Cross multiply
    19,745.05x = 27,248.17 × 11,247.96
  4. Step 4: Simplify right side
    19,745.05x = 306,486,298.11
  5. Step 5: Solve for x
    x = 306,486,298.11/19,745.05
  6. Step 6: Final answer
    x = 15,522.19

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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.