Home / 13,568.09-20,338.62-6,546.11

Finding the Fourth Proportional to 13,568.09, 20,338.62 and 6,546.11

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Solution

The fourth proportional to 13,568.09, 20,338.62 and 6,546.11 is: 9,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.09 : 20,338.62 = 6,546.11 : x
  2. Step 2: Convert to fraction form
    13,568.09/20,338.62 = 6,546.11/x
  3. Step 3: Cross multiply
    13,568.09x = 20,338.62 × 6,546.11
  4. Step 4: Simplify right side
    13,568.09x = 133,138,742.08
  5. Step 5: Solve for x
    x = 133,138,742.08/13,568.09
  6. Step 6: Final answer
    x = 9,812.64

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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.