Home / 20,277.92-27,968.12-17,450.06

Finding the Fourth Proportional to 20,277.92, 27,968.12 and 17,450.06

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Solution

The fourth proportional to 20,277.92, 27,968.12 and 17,450.06 is: 24,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.92 : 27,968.12 = 17,450.06 : x
  2. Step 2: Convert to fraction form
    20,277.92/27,968.12 = 17,450.06/x
  3. Step 3: Cross multiply
    20,277.92x = 27,968.12 × 17,450.06
  4. Step 4: Simplify right side
    20,277.92x = 488,045,284.84
  5. Step 5: Solve for x
    x = 488,045,284.84/20,277.92
  6. Step 6: Final answer
    x = 24,067.82

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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.