Home / 13,709.68-20,562.96-3,849.34

Finding the Fourth Proportional to 13,709.68, 20,562.96 and 3,849.34

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Solution

The fourth proportional to 13,709.68, 20,562.96 and 3,849.34 is: 5,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.68 : 20,562.96 = 3,849.34 : x
  2. Step 2: Convert to fraction form
    13,709.68/20,562.96 = 3,849.34/x
  3. Step 3: Cross multiply
    13,709.68x = 20,562.96 × 3,849.34
  4. Step 4: Simplify right side
    13,709.68x = 79,153,824.45
  5. Step 5: Solve for x
    x = 79,153,824.45/13,709.68
  6. Step 6: Final answer
    x = 5,773.57

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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.