Home / 19,708.73-27,198.03-12,635.16

Finding the Fourth Proportional to 19,708.73, 27,198.03 and 12,635.16

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Solution

The fourth proportional to 19,708.73, 27,198.03 and 12,635.16 is: 17,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.73 : 27,198.03 = 12,635.16 : x
  2. Step 2: Convert to fraction form
    19,708.73/27,198.03 = 12,635.16/x
  3. Step 3: Cross multiply
    19,708.73x = 27,198.03 × 12,635.16
  4. Step 4: Simplify right side
    19,708.73x = 343,651,460.73
  5. Step 5: Solve for x
    x = 343,651,460.73/19,708.73
  6. Step 6: Final answer
    x = 17,436.51

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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.