Home / 43,575.94-65,375.25-12,413.62

Finding the Fourth Proportional to 43,575.94, 65,375.25 and 12,413.62

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Solution

The fourth proportional to 43,575.94, 65,375.25 and 12,413.62 is: 18,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,575.94 : 65,375.25 = 12,413.62 : x
  2. Step 2: Convert to fraction form
    43,575.94/65,375.25 = 12,413.62/x
  3. Step 3: Cross multiply
    43,575.94x = 65,375.25 × 12,413.62
  4. Step 4: Simplify right side
    43,575.94x = 811,543,510.91
  5. Step 5: Solve for x
    x = 811,543,510.91/43,575.94
  6. Step 6: Final answer
    x = 18,623.66

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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.