Home / 13,249.34-19,864.83-11,182.76

Finding the Fourth Proportional to 13,249.34, 19,864.83 and 11,182.76

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Solution

The fourth proportional to 13,249.34, 19,864.83 and 11,182.76 is: 16,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.34 : 19,864.83 = 11,182.76 : x
  2. Step 2: Convert to fraction form
    13,249.34/19,864.83 = 11,182.76/x
  3. Step 3: Cross multiply
    13,249.34x = 19,864.83 × 11,182.76
  4. Step 4: Simplify right side
    13,249.34x = 222,143,626.33
  5. Step 5: Solve for x
    x = 222,143,626.33/13,249.34
  6. Step 6: Final answer
    x = 16,766.39

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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.