Home / 13,396.14-20,106.66-6,827.25

Finding the Fourth Proportional to 13,396.14, 20,106.66 and 6,827.25

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Solution

The fourth proportional to 13,396.14, 20,106.66 and 6,827.25 is: 10,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.14 : 20,106.66 = 6,827.25 : x
  2. Step 2: Convert to fraction form
    13,396.14/20,106.66 = 6,827.25/x
  3. Step 3: Cross multiply
    13,396.14x = 20,106.66 × 6,827.25
  4. Step 4: Simplify right side
    13,396.14x = 137,273,194.49
  5. Step 5: Solve for x
    x = 137,273,194.49/13,396.14
  6. Step 6: Final answer
    x = 10,247.22

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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.