Home / 19,862.73-29,912.94-18,091.26

Finding the Fourth Proportional to 19,862.73, 29,912.94 and 18,091.26

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Solution

The fourth proportional to 19,862.73, 29,912.94 and 18,091.26 is: 27,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.73 : 29,912.94 = 18,091.26 : x
  2. Step 2: Convert to fraction form
    19,862.73/29,912.94 = 18,091.26/x
  3. Step 3: Cross multiply
    19,862.73x = 29,912.94 × 18,091.26
  4. Step 4: Simplify right side
    19,862.73x = 541,162,774.90
  5. Step 5: Solve for x
    x = 541,162,774.90/19,862.73
  6. Step 6: Final answer
    x = 27,245.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.