Home / 23,893.67-32,974.11-13,139.36

Finding the Fourth Proportional to 23,893.67, 32,974.11 and 13,139.36

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Solution

The fourth proportional to 23,893.67, 32,974.11 and 13,139.36 is: 18,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,893.67 : 32,974.11 = 13,139.36 : x
  2. Step 2: Convert to fraction form
    23,893.67/32,974.11 = 13,139.36/x
  3. Step 3: Cross multiply
    23,893.67x = 32,974.11 × 13,139.36
  4. Step 4: Simplify right side
    23,893.67x = 433,258,701.97
  5. Step 5: Solve for x
    x = 433,258,701.97/23,893.67
  6. Step 6: Final answer
    x = 18,132.78

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1.5x scale

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.