Home / 27,151.40-37,469.42-15,214.68

Finding the Fourth Proportional to 27,151.40, 37,469.42 and 15,214.68

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Solution

The fourth proportional to 27,151.40, 37,469.42 and 15,214.68 is: 20,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.40 : 37,469.42 = 15,214.68 : x
  2. Step 2: Convert to fraction form
    27,151.40/37,469.42 = 15,214.68/x
  3. Step 3: Cross multiply
    27,151.40x = 37,469.42 × 15,214.68
  4. Step 4: Simplify right side
    27,151.40x = 570,085,235.09
  5. Step 5: Solve for x
    x = 570,085,235.09/27,151.40
  6. Step 6: Final answer
    x = 20,996.53

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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.