Home / 13,585.60-20,361.96-6,179.90

Finding the Fourth Proportional to 13,585.60, 20,361.96 and 6,179.90

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Solution

The fourth proportional to 13,585.60, 20,361.96 and 6,179.90 is: 9,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.60 : 20,361.96 = 6,179.90 : x
  2. Step 2: Convert to fraction form
    13,585.60/20,361.96 = 6,179.90/x
  3. Step 3: Cross multiply
    13,585.60x = 20,361.96 × 6,179.90
  4. Step 4: Simplify right side
    13,585.60x = 125,834,876.60
  5. Step 5: Solve for x
    x = 125,834,876.60/13,585.60
  6. Step 6: Final answer
    x = 9,262.37

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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.