Home / 12,833.28-19,249.92-8,245.44

Finding the Fourth Proportional to 12,833.28, 19,249.92 and 8,245.44

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Solution

The fourth proportional to 12,833.28, 19,249.92 and 8,245.44 is: 12,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.28 : 19,249.92 = 8,245.44 : x
  2. Step 2: Convert to fraction form
    12,833.28/19,249.92 = 8,245.44/x
  3. Step 3: Cross multiply
    12,833.28x = 19,249.92 × 8,245.44
  4. Step 4: Simplify right side
    12,833.28x = 158,724,060.36
  5. Step 5: Solve for x
    x = 158,724,060.36/12,833.28
  6. Step 6: Final answer
    x = 12,368.16

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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.