Home / 23,413.89-32,315.09-14,919.90

Finding the Fourth Proportional to 23,413.89, 32,315.09 and 14,919.90

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Solution

The fourth proportional to 23,413.89, 32,315.09 and 14,919.90 is: 20,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,413.89 : 32,315.09 = 14,919.90 : x
  2. Step 2: Convert to fraction form
    23,413.89/32,315.09 = 14,919.90/x
  3. Step 3: Cross multiply
    23,413.89x = 32,315.09 × 14,919.90
  4. Step 4: Simplify right side
    23,413.89x = 482,137,778.45
  5. Step 5: Solve for x
    x = 482,137,778.45/23,413.89
  6. Step 6: Final answer
    x = 20,591.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.