Home / 16,850.58-25,255.36-11,921.64

Finding the Fourth Proportional to 16,850.58, 25,255.36 and 11,921.64

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Solution

The fourth proportional to 16,850.58, 25,255.36 and 11,921.64 is: 17,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,850.58 : 25,255.36 = 11,921.64 : x
  2. Step 2: Convert to fraction form
    16,850.58/25,255.36 = 11,921.64/x
  3. Step 3: Cross multiply
    16,850.58x = 25,255.36 × 11,921.64
  4. Step 4: Simplify right side
    16,850.58x = 301,085,309.99
  5. Step 5: Solve for x
    x = 301,085,309.99/16,850.58
  6. Step 6: Final answer
    x = 17,867.95

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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.