Home / 13,366.67-18,413.83-11,242.24

Finding the Fourth Proportional to 13,366.67, 18,413.83 and 11,242.24

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Solution

The fourth proportional to 13,366.67, 18,413.83 and 11,242.24 is: 15,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.67 : 18,413.83 = 11,242.24 : x
  2. Step 2: Convert to fraction form
    13,366.67/18,413.83 = 11,242.24/x
  3. Step 3: Cross multiply
    13,366.67x = 18,413.83 × 11,242.24
  4. Step 4: Simplify right side
    13,366.67x = 207,012,767.78
  5. Step 5: Solve for x
    x = 207,012,767.78/13,366.67
  6. Step 6: Final answer
    x = 15,487.23

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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.