Home / 16,728.96-25,049.60-11,771.76

Finding the Fourth Proportional to 16,728.96, 25,049.60 and 11,771.76

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Solution

The fourth proportional to 16,728.96, 25,049.60 and 11,771.76 is: 17,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.96 : 25,049.60 = 11,771.76 : x
  2. Step 2: Convert to fraction form
    16,728.96/25,049.60 = 11,771.76/x
  3. Step 3: Cross multiply
    16,728.96x = 25,049.60 × 11,771.76
  4. Step 4: Simplify right side
    16,728.96x = 294,877,879.30
  5. Step 5: Solve for x
    x = 294,877,879.30/16,728.96
  6. Step 6: Final answer
    x = 17,626.79

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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.