Home / 13,653.44-20,481.24-5,860.28

Finding the Fourth Proportional to 13,653.44, 20,481.24 and 5,860.28

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Solution

The fourth proportional to 13,653.44, 20,481.24 and 5,860.28 is: 8,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.44 : 20,481.24 = 5,860.28 : x
  2. Step 2: Convert to fraction form
    13,653.44/20,481.24 = 5,860.28/x
  3. Step 3: Cross multiply
    13,653.44x = 20,481.24 × 5,860.28
  4. Step 4: Simplify right side
    13,653.44x = 120,025,801.15
  5. Step 5: Solve for x
    x = 120,025,801.15/13,653.44
  6. Step 6: Final answer
    x = 8,790.88

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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.