Home / 42,413.68-63,616.20-11,252.08

Finding the Fourth Proportional to 42,413.68, 63,616.20 and 11,252.08

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Solution

The fourth proportional to 42,413.68, 63,616.20 and 11,252.08 is: 16,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,413.68 : 63,616.20 = 11,252.08 : x
  2. Step 2: Convert to fraction form
    42,413.68/63,616.20 = 11,252.08/x
  3. Step 3: Cross multiply
    42,413.68x = 63,616.20 × 11,252.08
  4. Step 4: Simplify right side
    42,413.68x = 715,814,571.70
  5. Step 5: Solve for x
    x = 715,814,571.70/42,413.68
  6. Step 6: Final answer
    x = 16,876.97

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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.