Home / 27,455.60-41,183.40-13,631.60

Finding the Fourth Proportional to 27,455.60, 41,183.40 and 13,631.60

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Solution

The fourth proportional to 27,455.60, 41,183.40 and 13,631.60 is: 20,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.60 : 41,183.40 = 13,631.60 : x
  2. Step 2: Convert to fraction form
    27,455.60/41,183.40 = 13,631.60/x
  3. Step 3: Cross multiply
    27,455.60x = 41,183.40 × 13,631.60
  4. Step 4: Simplify right side
    27,455.60x = 561,395,635.44
  5. Step 5: Solve for x
    x = 561,395,635.44/27,455.60
  6. Step 6: Final answer
    x = 20,447.40

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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.