Home / 13,324.12-18,413.66-10,930.26

Finding the Fourth Proportional to 13,324.12, 18,413.66 and 10,930.26

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Solution

The fourth proportional to 13,324.12, 18,413.66 and 10,930.26 is: 15,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.12 : 18,413.66 = 10,930.26 : x
  2. Step 2: Convert to fraction form
    13,324.12/18,413.66 = 10,930.26/x
  3. Step 3: Cross multiply
    13,324.12x = 18,413.66 × 10,930.26
  4. Step 4: Simplify right side
    13,324.12x = 201,266,091.35
  5. Step 5: Solve for x
    x = 201,266,091.35/13,324.12
  6. Step 6: Final answer
    x = 15,105.39

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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.