Home / 12,226.14-18,342.05-3,905.01

Finding the Fourth Proportional to 12,226.14, 18,342.05 and 3,905.01

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Solution

The fourth proportional to 12,226.14, 18,342.05 and 3,905.01 is: 5,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.14 : 18,342.05 = 3,905.01 : x
  2. Step 2: Convert to fraction form
    12,226.14/18,342.05 = 3,905.01/x
  3. Step 3: Cross multiply
    12,226.14x = 18,342.05 × 3,905.01
  4. Step 4: Simplify right side
    12,226.14x = 71,625,869.15
  5. Step 5: Solve for x
    x = 71,625,869.15/12,226.14
  6. Step 6: Final answer
    x = 5,858.42

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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.