Home / 25,858.62-35,684.82-15,105.60

Finding the Fourth Proportional to 25,858.62, 35,684.82 and 15,105.60

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Solution

The fourth proportional to 25,858.62, 35,684.82 and 15,105.60 is: 20,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.62 : 35,684.82 = 15,105.60 : x
  2. Step 2: Convert to fraction form
    25,858.62/35,684.82 = 15,105.60/x
  3. Step 3: Cross multiply
    25,858.62x = 35,684.82 × 15,105.60
  4. Step 4: Simplify right side
    25,858.62x = 539,040,616.99
  5. Step 5: Solve for x
    x = 539,040,616.99/25,858.62
  6. Step 6: Final answer
    x = 20,845.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.