Home / 27,115.68-37,420.56-15,179.52

Finding the Fourth Proportional to 27,115.68, 37,420.56 and 15,179.52

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Solution

The fourth proportional to 27,115.68, 37,420.56 and 15,179.52 is: 20,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.68 : 37,420.56 = 15,179.52 : x
  2. Step 2: Convert to fraction form
    27,115.68/37,420.56 = 15,179.52/x
  3. Step 3: Cross multiply
    27,115.68x = 37,420.56 × 15,179.52
  4. Step 4: Simplify right side
    27,115.68x = 568,026,138.93
  5. Step 5: Solve for x
    x = 568,026,138.93/27,115.68
  6. Step 6: Final answer
    x = 20,948.25

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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.