Home / 19,629.33-27,089.19-11,247.45

Finding the Fourth Proportional to 19,629.33, 27,089.19 and 11,247.45

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Solution

The fourth proportional to 19,629.33, 27,089.19 and 11,247.45 is: 15,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.33 : 27,089.19 = 11,247.45 : x
  2. Step 2: Convert to fraction form
    19,629.33/27,089.19 = 11,247.45/x
  3. Step 3: Cross multiply
    19,629.33x = 27,089.19 × 11,247.45
  4. Step 4: Simplify right side
    19,629.33x = 304,684,310.07
  5. Step 5: Solve for x
    x = 304,684,310.07/19,629.33
  6. Step 6: Final answer
    x = 15,521.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.