Home / 18,457.38-27,672.66-7,360.74

Finding the Fourth Proportional to 18,457.38, 27,672.66 and 7,360.74

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Solution

The fourth proportional to 18,457.38, 27,672.66 and 7,360.74 is: 11,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.38 : 27,672.66 = 7,360.74 : x
  2. Step 2: Convert to fraction form
    18,457.38/27,672.66 = 7,360.74/x
  3. Step 3: Cross multiply
    18,457.38x = 27,672.66 × 7,360.74
  4. Step 4: Simplify right side
    18,457.38x = 203,691,255.37
  5. Step 5: Solve for x
    x = 203,691,255.37/18,457.38
  6. Step 6: Final answer
    x = 11,035.76

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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.