Home / 18,469.08-27,654.36-9,685.56

Finding the Fourth Proportional to 18,469.08, 27,654.36 and 9,685.56

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Solution

The fourth proportional to 18,469.08, 27,654.36 and 9,685.56 is: 14,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.08 : 27,654.36 = 9,685.56 : x
  2. Step 2: Convert to fraction form
    18,469.08/27,654.36 = 9,685.56/x
  3. Step 3: Cross multiply
    18,469.08x = 27,654.36 × 9,685.56
  4. Step 4: Simplify right side
    18,469.08x = 267,847,963.04
  5. Step 5: Solve for x
    x = 267,847,963.04/18,469.08
  6. Step 6: Final answer
    x = 14,502.51

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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.