Home / 14,169.08-21,257.04-6,771.44

Finding the Fourth Proportional to 14,169.08, 21,257.04 and 6,771.44

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Solution

The fourth proportional to 14,169.08, 21,257.04 and 6,771.44 is: 10,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.08 : 21,257.04 = 6,771.44 : x
  2. Step 2: Convert to fraction form
    14,169.08/21,257.04 = 6,771.44/x
  3. Step 3: Cross multiply
    14,169.08x = 21,257.04 × 6,771.44
  4. Step 4: Simplify right side
    14,169.08x = 143,940,770.94
  5. Step 5: Solve for x
    x = 143,940,770.94/14,169.08
  6. Step 6: Final answer
    x = 10,158.79

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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.