Home / 17,618.08-26,413.18-8,727.12

Finding the Fourth Proportional to 17,618.08, 26,413.18 and 8,727.12

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Solution

The fourth proportional to 17,618.08, 26,413.18 and 8,727.12 is: 13,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.08 : 26,413.18 = 8,727.12 : x
  2. Step 2: Convert to fraction form
    17,618.08/26,413.18 = 8,727.12/x
  3. Step 3: Cross multiply
    17,618.08x = 26,413.18 × 8,727.12
  4. Step 4: Simplify right side
    17,618.08x = 230,510,991.44
  5. Step 5: Solve for x
    x = 230,510,991.44/17,618.08
  6. Step 6: Final answer
    x = 13,083.77

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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.