Home / 27,255.78-37,621.56-19,825.38

Finding the Fourth Proportional to 27,255.78, 37,621.56 and 19,825.38

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Solution

The fourth proportional to 27,255.78, 37,621.56 and 19,825.38 is: 27,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.78 : 37,621.56 = 19,825.38 : x
  2. Step 2: Convert to fraction form
    27,255.78/37,621.56 = 19,825.38/x
  3. Step 3: Cross multiply
    27,255.78x = 37,621.56 × 19,825.38
  4. Step 4: Simplify right side
    27,255.78x = 745,861,723.19
  5. Step 5: Solve for x
    x = 745,861,723.19/27,255.78
  6. Step 6: Final answer
    x = 27,365.27

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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.