Home / 13,183.73-19,775.59-5,392.54

Finding the Fourth Proportional to 13,183.73, 19,775.59 and 5,392.54

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Solution

The fourth proportional to 13,183.73, 19,775.59 and 5,392.54 is: 8,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.73 : 19,775.59 = 5,392.54 : x
  2. Step 2: Convert to fraction form
    13,183.73/19,775.59 = 5,392.54/x
  3. Step 3: Cross multiply
    13,183.73x = 19,775.59 × 5,392.54
  4. Step 4: Simplify right side
    13,183.73x = 106,640,660.10
  5. Step 5: Solve for x
    x = 106,640,660.10/13,183.73
  6. Step 6: Final answer
    x = 8,088.81

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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.