Home / 18,192.64-27,299.49-7,661.92

Finding the Fourth Proportional to 18,192.64, 27,299.49 and 7,661.92

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Solution

The fourth proportional to 18,192.64, 27,299.49 and 7,661.92 is: 11,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.64 : 27,299.49 = 7,661.92 : x
  2. Step 2: Convert to fraction form
    18,192.64/27,299.49 = 7,661.92/x
  3. Step 3: Cross multiply
    18,192.64x = 27,299.49 × 7,661.92
  4. Step 4: Simplify right side
    18,192.64x = 209,166,508.42
  5. Step 5: Solve for x
    x = 209,166,508.42/18,192.64
  6. Step 6: Final answer
    x = 11,497.31

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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.