Home / 12,176.26-18,264.40-2,942.26

Finding the Fourth Proportional to 12,176.26, 18,264.40 and 2,942.26

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Solution

The fourth proportional to 12,176.26, 18,264.40 and 2,942.26 is: 4,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.26 : 18,264.40 = 2,942.26 : x
  2. Step 2: Convert to fraction form
    12,176.26/18,264.40 = 2,942.26/x
  3. Step 3: Cross multiply
    12,176.26x = 18,264.40 × 2,942.26
  4. Step 4: Simplify right side
    12,176.26x = 53,738,613.54
  5. Step 5: Solve for x
    x = 53,738,613.54/12,176.26
  6. Step 6: Final answer
    x = 4,413.39

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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.