Home / 18,092.64-27,120.36-10,284.96

Finding the Fourth Proportional to 18,092.64, 27,120.36 and 10,284.96

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Solution

The fourth proportional to 18,092.64, 27,120.36 and 10,284.96 is: 15,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.64 : 27,120.36 = 10,284.96 : x
  2. Step 2: Convert to fraction form
    18,092.64/27,120.36 = 10,284.96/x
  3. Step 3: Cross multiply
    18,092.64x = 27,120.36 × 10,284.96
  4. Step 4: Simplify right side
    18,092.64x = 278,931,817.79
  5. Step 5: Solve for x
    x = 278,931,817.79/18,092.64
  6. Step 6: Final answer
    x = 15,416.87

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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.