Home / 13,413.42-20,101.91-5,088.96

Finding the Fourth Proportional to 13,413.42, 20,101.91 and 5,088.96

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Solution

The fourth proportional to 13,413.42, 20,101.91 and 5,088.96 is: 7,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.42 : 20,101.91 = 5,088.96 : x
  2. Step 2: Convert to fraction form
    13,413.42/20,101.91 = 5,088.96/x
  3. Step 3: Cross multiply
    13,413.42x = 20,101.91 × 5,088.96
  4. Step 4: Simplify right side
    13,413.42x = 102,297,790.47
  5. Step 5: Solve for x
    x = 102,297,790.47/13,413.42
  6. Step 6: Final answer
    x = 7,626.53

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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.