Home / 14,608.99-20,162.35-8,236.79

Finding the Fourth Proportional to 14,608.99, 20,162.35 and 8,236.79

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Solution

The fourth proportional to 14,608.99, 20,162.35 and 8,236.79 is: 11,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.99 : 20,162.35 = 8,236.79 : x
  2. Step 2: Convert to fraction form
    14,608.99/20,162.35 = 8,236.79/x
  3. Step 3: Cross multiply
    14,608.99x = 20,162.35 × 8,236.79
  4. Step 4: Simplify right side
    14,608.99x = 166,073,042.86
  5. Step 5: Solve for x
    x = 166,073,042.86/14,608.99
  6. Step 6: Final answer
    x = 11,367.87

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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.