Home / 19,874.97-29,812.15-5,083.76

Finding the Fourth Proportional to 19,874.97, 29,812.15 and 5,083.76

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Solution

The fourth proportional to 19,874.97, 29,812.15 and 5,083.76 is: 7,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.97 : 29,812.15 = 5,083.76 : x
  2. Step 2: Convert to fraction form
    19,874.97/29,812.15 = 5,083.76/x
  3. Step 3: Cross multiply
    19,874.97x = 29,812.15 × 5,083.76
  4. Step 4: Simplify right side
    19,874.97x = 151,557,790.27
  5. Step 5: Solve for x
    x = 151,557,790.27/19,874.97
  6. Step 6: Final answer
    x = 7,625.56

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1.5x scale

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.