Home / 11,905.88-17,819.01-11,748.53

Finding the Fourth Proportional to 11,905.88, 17,819.01 and 11,748.53

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Solution

The fourth proportional to 11,905.88, 17,819.01 and 11,748.53 is: 17,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.88 : 17,819.01 = 11,748.53 : x
  2. Step 2: Convert to fraction form
    11,905.88/17,819.01 = 11,748.53/x
  3. Step 3: Cross multiply
    11,905.88x = 17,819.01 × 11,748.53
  4. Step 4: Simplify right side
    11,905.88x = 209,347,084.46
  5. Step 5: Solve for x
    x = 209,347,084.46/11,905.88
  6. Step 6: Final answer
    x = 17,583.51

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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.