Home / 18,536.72-27,809.50-6,056.78

Finding the Fourth Proportional to 18,536.72, 27,809.50 and 6,056.78

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Solution

The fourth proportional to 18,536.72, 27,809.50 and 6,056.78 is: 9,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.72 : 27,809.50 = 6,056.78 : x
  2. Step 2: Convert to fraction form
    18,536.72/27,809.50 = 6,056.78/x
  3. Step 3: Cross multiply
    18,536.72x = 27,809.50 × 6,056.78
  4. Step 4: Simplify right side
    18,536.72x = 168,436,023.41
  5. Step 5: Solve for x
    x = 168,436,023.41/18,536.72
  6. Step 6: Final answer
    x = 9,086.61

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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.