Home / 19,736.75-27,248.87-12,675.62

Finding the Fourth Proportional to 19,736.75, 27,248.87 and 12,675.62

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Solution

The fourth proportional to 19,736.75, 27,248.87 and 12,675.62 is: 17,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.75 : 27,248.87 = 12,675.62 : x
  2. Step 2: Convert to fraction form
    19,736.75/27,248.87 = 12,675.62/x
  3. Step 3: Cross multiply
    19,736.75x = 27,248.87 × 12,675.62
  4. Step 4: Simplify right side
    19,736.75x = 345,396,321.55
  5. Step 5: Solve for x
    x = 345,396,321.55/19,736.75
  6. Step 6: Final answer
    x = 17,500.16

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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.