Home / 13,766.96-20,636.44-5,435.52

Finding the Fourth Proportional to 13,766.96, 20,636.44 and 5,435.52

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Solution

The fourth proportional to 13,766.96, 20,636.44 and 5,435.52 is: 8,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.96 : 20,636.44 = 5,435.52 : x
  2. Step 2: Convert to fraction form
    13,766.96/20,636.44 = 5,435.52/x
  3. Step 3: Cross multiply
    13,766.96x = 20,636.44 × 5,435.52
  4. Step 4: Simplify right side
    13,766.96x = 112,169,782.35
  5. Step 5: Solve for x
    x = 112,169,782.35/13,766.96
  6. Step 6: Final answer
    x = 8,147.75

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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.