Home / 14,051.38-21,093.36-8,212.18

Finding the Fourth Proportional to 14,051.38, 21,093.36 and 8,212.18

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Solution

The fourth proportional to 14,051.38, 21,093.36 and 8,212.18 is: 12,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.38 : 21,093.36 = 8,212.18 : x
  2. Step 2: Convert to fraction form
    14,051.38/21,093.36 = 8,212.18/x
  3. Step 3: Cross multiply
    14,051.38x = 21,093.36 × 8,212.18
  4. Step 4: Simplify right side
    14,051.38x = 173,222,469.12
  5. Step 5: Solve for x
    x = 173,222,469.12/14,051.38
  6. Step 6: Final answer
    x = 12,327.79

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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.