Home / 27,151.91-37,470.64-15,214.80

Finding the Fourth Proportional to 27,151.91, 37,470.64 and 15,214.80

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Solution

The fourth proportional to 27,151.91, 37,470.64 and 15,214.80 is: 20,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.91 : 37,470.64 = 15,214.80 : x
  2. Step 2: Convert to fraction form
    27,151.91/37,470.64 = 15,214.80/x
  3. Step 3: Cross multiply
    27,151.91x = 37,470.64 × 15,214.80
  4. Step 4: Simplify right side
    27,151.91x = 570,108,293.47
  5. Step 5: Solve for x
    x = 570,108,293.47/27,151.91
  6. Step 6: Final answer
    x = 20,996.99

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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.