Home / 16,413.12-22,650.19-9,339.54

Finding the Fourth Proportional to 16,413.12, 22,650.19 and 9,339.54

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Solution

The fourth proportional to 16,413.12, 22,650.19 and 9,339.54 is: 12,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,413.12 : 22,650.19 = 9,339.54 : x
  2. Step 2: Convert to fraction form
    16,413.12/22,650.19 = 9,339.54/x
  3. Step 3: Cross multiply
    16,413.12x = 22,650.19 × 9,339.54
  4. Step 4: Simplify right side
    16,413.12x = 211,542,355.51
  5. Step 5: Solve for x
    x = 211,542,355.51/16,413.12
  6. Step 6: Final answer
    x = 12,888.61

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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.