Home / 18,292.72-27,435.90-5,141.97

Finding the Fourth Proportional to 18,292.72, 27,435.90 and 5,141.97

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Solution

The fourth proportional to 18,292.72, 27,435.90 and 5,141.97 is: 7,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.72 : 27,435.90 = 5,141.97 : x
  2. Step 2: Convert to fraction form
    18,292.72/27,435.90 = 5,141.97/x
  3. Step 3: Cross multiply
    18,292.72x = 27,435.90 × 5,141.97
  4. Step 4: Simplify right side
    18,292.72x = 141,074,574.72
  5. Step 5: Solve for x
    x = 141,074,574.72/18,292.72
  6. Step 6: Final answer
    x = 7,712.06

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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.