Home / 18,330.44-25,286.10-11,603.56

Finding the Fourth Proportional to 18,330.44, 25,286.10 and 11,603.56

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Solution

The fourth proportional to 18,330.44, 25,286.10 and 11,603.56 is: 16,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.44 : 25,286.10 = 11,603.56 : x
  2. Step 2: Convert to fraction form
    18,330.44/25,286.10 = 11,603.56/x
  3. Step 3: Cross multiply
    18,330.44x = 25,286.10 × 11,603.56
  4. Step 4: Simplify right side
    18,330.44x = 293,408,778.52
  5. Step 5: Solve for x
    x = 293,408,778.52/18,330.44
  6. Step 6: Final answer
    x = 16,006.64

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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.