Home / 19,286.61-28,910.13-9,413.73

Finding the Fourth Proportional to 19,286.61, 28,910.13 and 9,413.73

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Solution

The fourth proportional to 19,286.61, 28,910.13 and 9,413.73 is: 14,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.61 : 28,910.13 = 9,413.73 : x
  2. Step 2: Convert to fraction form
    19,286.61/28,910.13 = 9,413.73/x
  3. Step 3: Cross multiply
    19,286.61x = 28,910.13 × 9,413.73
  4. Step 4: Simplify right side
    19,286.61x = 272,152,158.08
  5. Step 5: Solve for x
    x = 272,152,158.08/19,286.61
  6. Step 6: Final answer
    x = 14,110.94

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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.