Home / 13,842.68-20,748.54-7,269.56

Finding the Fourth Proportional to 13,842.68, 20,748.54 and 7,269.56

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Solution

The fourth proportional to 13,842.68, 20,748.54 and 7,269.56 is: 10,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.68 : 20,748.54 = 7,269.56 : x
  2. Step 2: Convert to fraction form
    13,842.68/20,748.54 = 7,269.56/x
  3. Step 3: Cross multiply
    13,842.68x = 20,748.54 × 7,269.56
  4. Step 4: Simplify right side
    13,842.68x = 150,832,756.44
  5. Step 5: Solve for x
    x = 150,832,756.44/13,842.68
  6. Step 6: Final answer
    x = 10,896.21

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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.