Home / 13,458.87-20,180.60-4,096.11

Finding the Fourth Proportional to 13,458.87, 20,180.60 and 4,096.11

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Solution

The fourth proportional to 13,458.87, 20,180.60 and 4,096.11 is: 6,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.87 : 20,180.60 = 4,096.11 : x
  2. Step 2: Convert to fraction form
    13,458.87/20,180.60 = 4,096.11/x
  3. Step 3: Cross multiply
    13,458.87x = 20,180.60 × 4,096.11
  4. Step 4: Simplify right side
    13,458.87x = 82,661,957.47
  5. Step 5: Solve for x
    x = 82,661,957.47/13,458.87
  6. Step 6: Final answer
    x = 6,141.82

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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.