Home / 20,192.65-27,863.33-11,694.64

Finding the Fourth Proportional to 20,192.65, 27,863.33 and 11,694.64

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Solution

The fourth proportional to 20,192.65, 27,863.33 and 11,694.64 is: 16,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.65 : 27,863.33 = 11,694.64 : x
  2. Step 2: Convert to fraction form
    20,192.65/27,863.33 = 11,694.64/x
  3. Step 3: Cross multiply
    20,192.65x = 27,863.33 × 11,694.64
  4. Step 4: Simplify right side
    20,192.65x = 325,851,573.13
  5. Step 5: Solve for x
    x = 325,851,573.13/20,192.65
  6. Step 6: Final answer
    x = 16,137.14

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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.