Home / 13,629.60-20,449.44-5,844.48

Finding the Fourth Proportional to 13,629.60, 20,449.44 and 5,844.48

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Solution

The fourth proportional to 13,629.60, 20,449.44 and 5,844.48 is: 8,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.60 : 20,449.44 = 5,844.48 : x
  2. Step 2: Convert to fraction form
    13,629.60/20,449.44 = 5,844.48/x
  3. Step 3: Cross multiply
    13,629.60x = 20,449.44 × 5,844.48
  4. Step 4: Simplify right side
    13,629.60x = 119,516,343.09
  5. Step 5: Solve for x
    x = 119,516,343.09/13,629.60
  6. Step 6: Final answer
    x = 8,768.88

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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.