Home / 27,749.14-38,293.94-15,173.88

Finding the Fourth Proportional to 27,749.14, 38,293.94 and 15,173.88

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Solution

The fourth proportional to 27,749.14, 38,293.94 and 15,173.88 is: 20,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.14 : 38,293.94 = 15,173.88 : x
  2. Step 2: Convert to fraction form
    27,749.14/38,293.94 = 15,173.88/x
  3. Step 3: Cross multiply
    27,749.14x = 38,293.94 × 15,173.88
  4. Step 4: Simplify right side
    27,749.14x = 581,067,650.29
  5. Step 5: Solve for x
    x = 581,067,650.29/27,749.14
  6. Step 6: Final answer
    x = 20,940.02

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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.