Home / 18,190.34-27,227.79-11,935.52

Finding the Fourth Proportional to 18,190.34, 27,227.79 and 11,935.52

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Solution

The fourth proportional to 18,190.34, 27,227.79 and 11,935.52 is: 17,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.34 : 27,227.79 = 11,935.52 : x
  2. Step 2: Convert to fraction form
    18,190.34/27,227.79 = 11,935.52/x
  3. Step 3: Cross multiply
    18,190.34x = 27,227.79 × 11,935.52
  4. Step 4: Simplify right side
    18,190.34x = 324,977,695.96
  5. Step 5: Solve for x
    x = 324,977,695.96/18,190.34
  6. Step 6: Final answer
    x = 17,865.40

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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.