Home / 15,745.08-21,734.11-10,441.68

Finding the Fourth Proportional to 15,745.08, 21,734.11 and 10,441.68

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Solution

The fourth proportional to 15,745.08, 21,734.11 and 10,441.68 is: 14,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745.08 : 21,734.11 = 10,441.68 : x
  2. Step 2: Convert to fraction form
    15,745.08/21,734.11 = 10,441.68/x
  3. Step 3: Cross multiply
    15,745.08x = 21,734.11 × 10,441.68
  4. Step 4: Simplify right side
    15,745.08x = 226,940,621.70
  5. Step 5: Solve for x
    x = 226,940,621.70/15,745.08
  6. Step 6: Final answer
    x = 14,413.43

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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.