Home / 13,546.06-20,322.16-4,781.04

Finding the Fourth Proportional to 13,546.06, 20,322.16 and 4,781.04

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Solution

The fourth proportional to 13,546.06, 20,322.16 and 4,781.04 is: 7,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.06 : 20,322.16 = 4,781.04 : x
  2. Step 2: Convert to fraction form
    13,546.06/20,322.16 = 4,781.04/x
  3. Step 3: Cross multiply
    13,546.06x = 20,322.16 × 4,781.04
  4. Step 4: Simplify right side
    13,546.06x = 97,161,059.85
  5. Step 5: Solve for x
    x = 97,161,059.85/13,546.06
  6. Step 6: Final answer
    x = 7,172.64

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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.