Home / 14,272.74-19,694.61-7,983.54

Finding the Fourth Proportional to 14,272.74, 19,694.61 and 7,983.54

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Solution

The fourth proportional to 14,272.74, 19,694.61 and 7,983.54 is: 11,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.74 : 19,694.61 = 7,983.54 : x
  2. Step 2: Convert to fraction form
    14,272.74/19,694.61 = 7,983.54/x
  3. Step 3: Cross multiply
    14,272.74x = 19,694.61 × 7,983.54
  4. Step 4: Simplify right side
    14,272.74x = 157,232,706.72
  5. Step 5: Solve for x
    x = 157,232,706.72/14,272.74
  6. Step 6: Final answer
    x = 11,016.29

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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.