Home / 27,694.16-38,177.96-19,733.36

Finding the Fourth Proportional to 27,694.16, 38,177.96 and 19,733.36

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Solution

The fourth proportional to 27,694.16, 38,177.96 and 19,733.36 is: 27,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.16 : 38,177.96 = 19,733.36 : x
  2. Step 2: Convert to fraction form
    27,694.16/38,177.96 = 19,733.36/x
  3. Step 3: Cross multiply
    27,694.16x = 38,177.96 × 19,733.36
  4. Step 4: Simplify right side
    27,694.16x = 753,379,428.75
  5. Step 5: Solve for x
    x = 753,379,428.75/27,694.16
  6. Step 6: Final answer
    x = 27,203.55

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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.