Home / 14,198.12-21,282.12-6,786.92

Finding the Fourth Proportional to 14,198.12, 21,282.12 and 6,786.92

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Solution

The fourth proportional to 14,198.12, 21,282.12 and 6,786.92 is: 10,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.12 : 21,282.12 = 6,786.92 : x
  2. Step 2: Convert to fraction form
    14,198.12/21,282.12 = 6,786.92/x
  3. Step 3: Cross multiply
    14,198.12x = 21,282.12 × 6,786.92
  4. Step 4: Simplify right side
    14,198.12x = 144,440,045.87
  5. Step 5: Solve for x
    x = 144,440,045.87/14,198.12
  6. Step 6: Final answer
    x = 10,173.18

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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.