Home / 14,049.68-19,388.52-8,081.21

Finding the Fourth Proportional to 14,049.68, 19,388.52 and 8,081.21

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Solution

The fourth proportional to 14,049.68, 19,388.52 and 8,081.21 is: 11,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.68 : 19,388.52 = 8,081.21 : x
  2. Step 2: Convert to fraction form
    14,049.68/19,388.52 = 8,081.21/x
  3. Step 3: Cross multiply
    14,049.68x = 19,388.52 × 8,081.21
  4. Step 4: Simplify right side
    14,049.68x = 156,682,604.77
  5. Step 5: Solve for x
    x = 156,682,604.77/14,049.68
  6. Step 6: Final answer
    x = 11,152.04

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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.