Home / 26,025.36-39,040.79-8,258.54

Finding the Fourth Proportional to 26,025.36, 39,040.79 and 8,258.54

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Solution

The fourth proportional to 26,025.36, 39,040.79 and 8,258.54 is: 12,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,025.36 : 39,040.79 = 8,258.54 : x
  2. Step 2: Convert to fraction form
    26,025.36/39,040.79 = 8,258.54/x
  3. Step 3: Cross multiply
    26,025.36x = 39,040.79 × 8,258.54
  4. Step 4: Simplify right side
    26,025.36x = 322,419,908.95
  5. Step 5: Solve for x
    x = 322,419,908.95/26,025.36
  6. Step 6: Final answer
    x = 12,388.68

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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.