Home / 12,633.03-18,939.26-4,731.12

Finding the Fourth Proportional to 12,633.03, 18,939.26 and 4,731.12

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Solution

The fourth proportional to 12,633.03, 18,939.26 and 4,731.12 is: 7,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.03 : 18,939.26 = 4,731.12 : x
  2. Step 2: Convert to fraction form
    12,633.03/18,939.26 = 4,731.12/x
  3. Step 3: Cross multiply
    12,633.03x = 18,939.26 × 4,731.12
  4. Step 4: Simplify right side
    12,633.03x = 89,603,923.60
  5. Step 5: Solve for x
    x = 89,603,923.60/12,633.03
  6. Step 6: Final answer
    x = 7,092.83

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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.