Home / 17,627.78-26,413.32-12,062.28

Finding the Fourth Proportional to 17,627.78, 26,413.32 and 12,062.28

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Solution

The fourth proportional to 17,627.78, 26,413.32 and 12,062.28 is: 18,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.78 : 26,413.32 = 12,062.28 : x
  2. Step 2: Convert to fraction form
    17,627.78/26,413.32 = 12,062.28/x
  3. Step 3: Cross multiply
    17,627.78x = 26,413.32 × 12,062.28
  4. Step 4: Simplify right side
    17,627.78x = 318,604,861.57
  5. Step 5: Solve for x
    x = 318,604,861.57/17,627.78
  6. Step 6: Final answer
    x = 18,074.02

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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.