Home / 27,151.66-37,470.30-15,214.55

Finding the Fourth Proportional to 27,151.66, 37,470.30 and 15,214.55

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Solution

The fourth proportional to 27,151.66, 37,470.30 and 15,214.55 is: 20,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.66 : 37,470.30 = 15,214.55 : x
  2. Step 2: Convert to fraction form
    27,151.66/37,470.30 = 15,214.55/x
  3. Step 3: Cross multiply
    27,151.66x = 37,470.30 × 15,214.55
  4. Step 4: Simplify right side
    27,151.66x = 570,093,846.54
  5. Step 5: Solve for x
    x = 570,093,846.54/27,151.66
  6. Step 6: Final answer
    x = 20,996.65

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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.