Home / 17,238.56-25,844.67-7,872.07

Finding the Fourth Proportional to 17,238.56, 25,844.67 and 7,872.07

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Solution

The fourth proportional to 17,238.56, 25,844.67 and 7,872.07 is: 11,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238.56 : 25,844.67 = 7,872.07 : x
  2. Step 2: Convert to fraction form
    17,238.56/25,844.67 = 7,872.07/x
  3. Step 3: Cross multiply
    17,238.56x = 25,844.67 × 7,872.07
  4. Step 4: Simplify right side
    17,238.56x = 203,451,083.67
  5. Step 5: Solve for x
    x = 203,451,083.67/17,238.56
  6. Step 6: Final answer
    x = 11,802.10

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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.