Home / 18,062.73-27,090.72-5,581.17

Finding the Fourth Proportional to 18,062.73, 27,090.72 and 5,581.17

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Solution

The fourth proportional to 18,062.73, 27,090.72 and 5,581.17 is: 8,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.73 : 27,090.72 = 5,581.17 : x
  2. Step 2: Convert to fraction form
    18,062.73/27,090.72 = 5,581.17/x
  3. Step 3: Cross multiply
    18,062.73x = 27,090.72 × 5,581.17
  4. Step 4: Simplify right side
    18,062.73x = 151,197,913.74
  5. Step 5: Solve for x
    x = 151,197,913.74/18,062.73
  6. Step 6: Final answer
    x = 8,370.71

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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.