Home / 13,734.72-20,601.72-3,346.38

Finding the Fourth Proportional to 13,734.72, 20,601.72 and 3,346.38

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Solution

The fourth proportional to 13,734.72, 20,601.72 and 3,346.38 is: 5,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.72 : 20,601.72 = 3,346.38 : x
  2. Step 2: Convert to fraction form
    13,734.72/20,601.72 = 3,346.38/x
  3. Step 3: Cross multiply
    13,734.72x = 20,601.72 × 3,346.38
  4. Step 4: Simplify right side
    13,734.72x = 68,941,183.77
  5. Step 5: Solve for x
    x = 68,941,183.77/13,734.72
  6. Step 6: Final answer
    x = 5,019.48

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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.