Home / 18,566.83-27,849.77-5,419.31

Finding the Fourth Proportional to 18,566.83, 27,849.77 and 5,419.31

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Solution

The fourth proportional to 18,566.83, 27,849.77 and 5,419.31 is: 8,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.83 : 27,849.77 = 5,419.31 : x
  2. Step 2: Convert to fraction form
    18,566.83/27,849.77 = 5,419.31/x
  3. Step 3: Cross multiply
    18,566.83x = 27,849.77 × 5,419.31
  4. Step 4: Simplify right side
    18,566.83x = 150,926,620.23
  5. Step 5: Solve for x
    x = 150,926,620.23/18,566.83
  6. Step 6: Final answer
    x = 8,128.83

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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.