Home / 18,192.44-27,299.12-7,661.63

Finding the Fourth Proportional to 18,192.44, 27,299.12 and 7,661.63

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Solution

The fourth proportional to 18,192.44, 27,299.12 and 7,661.63 is: 11,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.44 : 27,299.12 = 7,661.63 : x
  2. Step 2: Convert to fraction form
    18,192.44/27,299.12 = 7,661.63/x
  3. Step 3: Cross multiply
    18,192.44x = 27,299.12 × 7,661.63
  4. Step 4: Simplify right side
    18,192.44x = 209,155,581.96
  5. Step 5: Solve for x
    x = 209,155,581.96/18,192.44
  6. Step 6: Final answer
    x = 11,496.84

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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.