Home / 17,691.48-24,408.16-10,974.68

Finding the Fourth Proportional to 17,691.48, 24,408.16 and 10,974.68

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Solution

The fourth proportional to 17,691.48, 24,408.16 and 10,974.68 is: 15,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.48 : 24,408.16 = 10,974.68 : x
  2. Step 2: Convert to fraction form
    17,691.48/24,408.16 = 10,974.68/x
  3. Step 3: Cross multiply
    17,691.48x = 24,408.16 × 10,974.68
  4. Step 4: Simplify right side
    17,691.48x = 267,871,745.39
  5. Step 5: Solve for x
    x = 267,871,745.39/17,691.48
  6. Step 6: Final answer
    x = 15,141.29

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1.5x scale

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.