Home / 39,183.12-58,784.40-11,481.12

Finding the Fourth Proportional to 39,183.12, 58,784.40 and 11,481.12

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Solution

The fourth proportional to 39,183.12, 58,784.40 and 11,481.12 is: 17,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,183.12 : 58,784.40 = 11,481.12 : x
  2. Step 2: Convert to fraction form
    39,183.12/58,784.40 = 11,481.12/x
  3. Step 3: Cross multiply
    39,183.12x = 58,784.40 × 11,481.12
  4. Step 4: Simplify right side
    39,183.12x = 674,910,750.53
  5. Step 5: Solve for x
    x = 674,910,750.53/39,183.12
  6. Step 6: Final answer
    x = 17,224.53

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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.