Home / 16,728.83-23,093.19-11,712.77

Finding the Fourth Proportional to 16,728.83, 23,093.19 and 11,712.77

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Solution

The fourth proportional to 16,728.83, 23,093.19 and 11,712.77 is: 16,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.83 : 23,093.19 = 11,712.77 : x
  2. Step 2: Convert to fraction form
    16,728.83/23,093.19 = 11,712.77/x
  3. Step 3: Cross multiply
    16,728.83x = 23,093.19 × 11,712.77
  4. Step 4: Simplify right side
    16,728.83x = 270,485,049.01
  5. Step 5: Solve for x
    x = 270,485,049.01/16,728.83
  6. Step 6: Final answer
    x = 16,168.80

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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.