Home / 23,138.98-34,708.50-5,608.78

Finding the Fourth Proportional to 23,138.98, 34,708.50 and 5,608.78

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Solution

The fourth proportional to 23,138.98, 34,708.50 and 5,608.78 is: 8,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.98 : 34,708.50 = 5,608.78 : x
  2. Step 2: Convert to fraction form
    23,138.98/34,708.50 = 5,608.78/x
  3. Step 3: Cross multiply
    23,138.98x = 34,708.50 × 5,608.78
  4. Step 4: Simplify right side
    23,138.98x = 194,672,340.63
  5. Step 5: Solve for x
    x = 194,672,340.63/23,138.98
  6. Step 6: Final answer
    x = 8,413.18

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1.5x scale

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.