Home / 16,721.46-25,090.46-7,837.43

Finding the Fourth Proportional to 16,721.46, 25,090.46 and 7,837.43

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Solution

The fourth proportional to 16,721.46, 25,090.46 and 7,837.43 is: 11,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.46 : 25,090.46 = 7,837.43 : x
  2. Step 2: Convert to fraction form
    16,721.46/25,090.46 = 7,837.43/x
  3. Step 3: Cross multiply
    16,721.46x = 25,090.46 × 7,837.43
  4. Step 4: Simplify right side
    16,721.46x = 196,644,559.28
  5. Step 5: Solve for x
    x = 196,644,559.28/16,721.46
  6. Step 6: Final answer
    x = 11,760.01

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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.