Home / 22,413.48-33,624.64-6,618.78

Finding the Fourth Proportional to 22,413.48, 33,624.64 and 6,618.78

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Solution

The fourth proportional to 22,413.48, 33,624.64 and 6,618.78 is: 9,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,413.48 : 33,624.64 = 6,618.78 : x
  2. Step 2: Convert to fraction form
    22,413.48/33,624.64 = 6,618.78/x
  3. Step 3: Cross multiply
    22,413.48x = 33,624.64 × 6,618.78
  4. Step 4: Simplify right side
    22,413.48x = 222,554,103.01
  5. Step 5: Solve for x
    x = 222,554,103.01/22,413.48
  6. Step 6: Final answer
    x = 9,929.48

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1.5x scale

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.