Home / 13,933.08-20,898.81-4,072.14

Finding the Fourth Proportional to 13,933.08, 20,898.81 and 4,072.14

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Solution

The fourth proportional to 13,933.08, 20,898.81 and 4,072.14 is: 6,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.08 : 20,898.81 = 4,072.14 : x
  2. Step 2: Convert to fraction form
    13,933.08/20,898.81 = 4,072.14/x
  3. Step 3: Cross multiply
    13,933.08x = 20,898.81 × 4,072.14
  4. Step 4: Simplify right side
    13,933.08x = 85,102,880.15
  5. Step 5: Solve for x
    x = 85,102,880.15/13,933.08
  6. Step 6: Final answer
    x = 6,107.97

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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.