Home / 13,404.88-20,107.31-9,183.97

Finding the Fourth Proportional to 13,404.88, 20,107.31 and 9,183.97

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Solution

The fourth proportional to 13,404.88, 20,107.31 and 9,183.97 is: 13,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.88 : 20,107.31 = 9,183.97 : x
  2. Step 2: Convert to fraction form
    13,404.88/20,107.31 = 9,183.97/x
  3. Step 3: Cross multiply
    13,404.88x = 20,107.31 × 9,183.97
  4. Step 4: Simplify right side
    13,404.88x = 184,664,931.82
  5. Step 5: Solve for x
    x = 184,664,931.82/13,404.88
  6. Step 6: Final answer
    x = 13,775.95

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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.