Home / 18,356.88-27,535.29-5,209.38

Finding the Fourth Proportional to 18,356.88, 27,535.29 and 5,209.38

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Solution

The fourth proportional to 18,356.88, 27,535.29 and 5,209.38 is: 7,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.88 : 27,535.29 = 5,209.38 : x
  2. Step 2: Convert to fraction form
    18,356.88/27,535.29 = 5,209.38/x
  3. Step 3: Cross multiply
    18,356.88x = 27,535.29 × 5,209.38
  4. Step 4: Simplify right side
    18,356.88x = 143,441,789.02
  5. Step 5: Solve for x
    x = 143,441,789.02/18,356.88
  6. Step 6: Final answer
    x = 7,814.06

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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.