Home / 26,413.83-39,621.33-10,620.45

Finding the Fourth Proportional to 26,413.83, 39,621.33 and 10,620.45

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Solution

The fourth proportional to 26,413.83, 39,621.33 and 10,620.45 is: 15,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,413.83 : 39,621.33 = 10,620.45 : x
  2. Step 2: Convert to fraction form
    26,413.83/39,621.33 = 10,620.45/x
  3. Step 3: Cross multiply
    26,413.83x = 39,621.33 × 10,620.45
  4. Step 4: Simplify right side
    26,413.83x = 420,796,354.20
  5. Step 5: Solve for x
    x = 420,796,354.20/26,413.83
  6. Step 6: Final answer
    x = 15,930.91

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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.