Home / 20,837.44-31,232.16-11,584.96

Finding the Fourth Proportional to 20,837.44, 31,232.16 and 11,584.96

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Solution

The fourth proportional to 20,837.44, 31,232.16 and 11,584.96 is: 17,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.44 : 31,232.16 = 11,584.96 : x
  2. Step 2: Convert to fraction form
    20,837.44/31,232.16 = 11,584.96/x
  3. Step 3: Cross multiply
    20,837.44x = 31,232.16 × 11,584.96
  4. Step 4: Simplify right side
    20,837.44x = 361,823,324.31
  5. Step 5: Solve for x
    x = 361,823,324.31/20,837.44
  6. Step 6: Final answer
    x = 17,364.10

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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.