Home / 13,593.82-18,748.65-11,231.86

Finding the Fourth Proportional to 13,593.82, 18,748.65 and 11,231.86

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Solution

The fourth proportional to 13,593.82, 18,748.65 and 11,231.86 is: 15,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.82 : 18,748.65 = 11,231.86 : x
  2. Step 2: Convert to fraction form
    13,593.82/18,748.65 = 11,231.86/x
  3. Step 3: Cross multiply
    13,593.82x = 18,748.65 × 11,231.86
  4. Step 4: Simplify right side
    13,593.82x = 210,582,211.99
  5. Step 5: Solve for x
    x = 210,582,211.99/13,593.82
  6. Step 6: Final answer
    x = 15,491.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.