Home / 18,579.33-27,871.43-9,814.59

Finding the Fourth Proportional to 18,579.33, 27,871.43 and 9,814.59

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Solution

The fourth proportional to 18,579.33, 27,871.43 and 9,814.59 is: 14,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.33 : 27,871.43 = 9,814.59 : x
  2. Step 2: Convert to fraction form
    18,579.33/27,871.43 = 9,814.59/x
  3. Step 3: Cross multiply
    18,579.33x = 27,871.43 × 9,814.59
  4. Step 4: Simplify right side
    18,579.33x = 273,546,609.09
  5. Step 5: Solve for x
    x = 273,546,609.09/18,579.33
  6. Step 6: Final answer
    x = 14,723.17

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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.