Home / 16,879.56-23,286.60-10,909.05

Finding the Fourth Proportional to 16,879.56, 23,286.60 and 10,909.05

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Solution

The fourth proportional to 16,879.56, 23,286.60 and 10,909.05 is: 15,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.56 : 23,286.60 = 10,909.05 : x
  2. Step 2: Convert to fraction form
    16,879.56/23,286.60 = 10,909.05/x
  3. Step 3: Cross multiply
    16,879.56x = 23,286.60 × 10,909.05
  4. Step 4: Simplify right side
    16,879.56x = 254,034,683.73
  5. Step 5: Solve for x
    x = 254,034,683.73/16,879.56
  6. Step 6: Final answer
    x = 15,049.84

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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.