Home / 18,629.52-27,944.51-7,387.62

Finding the Fourth Proportional to 18,629.52, 27,944.51 and 7,387.62

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Solution

The fourth proportional to 18,629.52, 27,944.51 and 7,387.62 is: 11,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.52 : 27,944.51 = 7,387.62 : x
  2. Step 2: Convert to fraction form
    18,629.52/27,944.51 = 7,387.62/x
  3. Step 3: Cross multiply
    18,629.52x = 27,944.51 × 7,387.62
  4. Step 4: Simplify right side
    18,629.52x = 206,443,384.03
  5. Step 5: Solve for x
    x = 206,443,384.03/18,629.52
  6. Step 6: Final answer
    x = 11,081.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.