Home / 13,708.53-20,562.66-3,847.77

Finding the Fourth Proportional to 13,708.53, 20,562.66 and 3,847.77

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Solution

The fourth proportional to 13,708.53, 20,562.66 and 3,847.77 is: 5,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.53 : 20,562.66 = 3,847.77 : x
  2. Step 2: Convert to fraction form
    13,708.53/20,562.66 = 3,847.77/x
  3. Step 3: Cross multiply
    13,708.53x = 20,562.66 × 3,847.77
  4. Step 4: Simplify right side
    13,708.53x = 79,120,386.27
  5. Step 5: Solve for x
    x = 79,120,386.27/13,708.53
  6. Step 6: Final answer
    x = 5,771.62

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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.