Home / 16,280.96-24,413.88-7,961.36

Finding the Fourth Proportional to 16,280.96, 24,413.88 and 7,961.36

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Solution

The fourth proportional to 16,280.96, 24,413.88 and 7,961.36 is: 11,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280.96 : 24,413.88 = 7,961.36 : x
  2. Step 2: Convert to fraction form
    16,280.96/24,413.88 = 7,961.36/x
  3. Step 3: Cross multiply
    16,280.96x = 24,413.88 × 7,961.36
  4. Step 4: Simplify right side
    16,280.96x = 194,367,687.68
  5. Step 5: Solve for x
    x = 194,367,687.68/16,280.96
  6. Step 6: Final answer
    x = 11,938.34

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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.