Home / 19,882.36-27,388.65-17,040.61

Finding the Fourth Proportional to 19,882.36, 27,388.65 and 17,040.61

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Solution

The fourth proportional to 19,882.36, 27,388.65 and 17,040.61 is: 23,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.36 : 27,388.65 = 17,040.61 : x
  2. Step 2: Convert to fraction form
    19,882.36/27,388.65 = 17,040.61/x
  3. Step 3: Cross multiply
    19,882.36x = 27,388.65 × 17,040.61
  4. Step 4: Simplify right side
    19,882.36x = 466,719,303.08
  5. Step 5: Solve for x
    x = 466,719,303.08/19,882.36
  6. Step 6: Final answer
    x = 23,474.04

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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.