Home / 20,983.73-31,476.01-7,833.48

Finding the Fourth Proportional to 20,983.73, 31,476.01 and 7,833.48

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Solution

The fourth proportional to 20,983.73, 31,476.01 and 7,833.48 is: 11,750.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,983.73 : 31,476.01 = 7,833.48 : x
  2. Step 2: Convert to fraction form
    20,983.73/31,476.01 = 7,833.48/x
  3. Step 3: Cross multiply
    20,983.73x = 31,476.01 × 7,833.48
  4. Step 4: Simplify right side
    20,983.73x = 246,566,694.81
  5. Step 5: Solve for x
    x = 246,566,694.81/20,983.73
  6. Step 6: Final answer
    x = 11,750.37

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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.