Home / 13,383.08-18,467.15-7,413.27

Finding the Fourth Proportional to 13,383.08, 18,467.15 and 7,413.27

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Solution

The fourth proportional to 13,383.08, 18,467.15 and 7,413.27 is: 10,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.08 : 18,467.15 = 7,413.27 : x
  2. Step 2: Convert to fraction form
    13,383.08/18,467.15 = 7,413.27/x
  3. Step 3: Cross multiply
    13,383.08x = 18,467.15 × 7,413.27
  4. Step 4: Simplify right side
    13,383.08x = 136,901,969.08
  5. Step 5: Solve for x
    x = 136,901,969.08/13,383.08
  6. Step 6: Final answer
    x = 10,229.48

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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.