Home / 18,447.03-27,670.53-6,761.16

Finding the Fourth Proportional to 18,447.03, 27,670.53 and 6,761.16

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Solution

The fourth proportional to 18,447.03, 27,670.53 and 6,761.16 is: 10,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.03 : 27,670.53 = 6,761.16 : x
  2. Step 2: Convert to fraction form
    18,447.03/27,670.53 = 6,761.16/x
  3. Step 3: Cross multiply
    18,447.03x = 27,670.53 × 6,761.16
  4. Step 4: Simplify right side
    18,447.03x = 187,084,880.61
  5. Step 5: Solve for x
    x = 187,084,880.61/18,447.03
  6. Step 6: Final answer
    x = 10,141.73

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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.