Home / 13,336.42-20,004.62-3,976.20

Finding the Fourth Proportional to 13,336.42, 20,004.62 and 3,976.20

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Solution

The fourth proportional to 13,336.42, 20,004.62 and 3,976.20 is: 5,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.42 : 20,004.62 = 3,976.20 : x
  2. Step 2: Convert to fraction form
    13,336.42/20,004.62 = 3,976.20/x
  3. Step 3: Cross multiply
    13,336.42x = 20,004.62 × 3,976.20
  4. Step 4: Simplify right side
    13,336.42x = 79,542,370.04
  5. Step 5: Solve for x
    x = 79,542,370.04/13,336.42
  6. Step 6: Final answer
    x = 5,964.30

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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.