Home / 13,837.93-20,754.12-3,974.89

Finding the Fourth Proportional to 13,837.93, 20,754.12 and 3,974.89

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Solution

The fourth proportional to 13,837.93, 20,754.12 and 3,974.89 is: 5,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.93 : 20,754.12 = 3,974.89 : x
  2. Step 2: Convert to fraction form
    13,837.93/20,754.12 = 3,974.89/x
  3. Step 3: Cross multiply
    13,837.93x = 20,754.12 × 3,974.89
  4. Step 4: Simplify right side
    13,837.93x = 82,495,344.05
  5. Step 5: Solve for x
    x = 82,495,344.05/13,837.93
  6. Step 6: Final answer
    x = 5,961.54

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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.