Home / 21,724.20-32,584.68-7,491.29

Finding the Fourth Proportional to 21,724.20, 32,584.68 and 7,491.29

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Solution

The fourth proportional to 21,724.20, 32,584.68 and 7,491.29 is: 11,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.20 : 32,584.68 = 7,491.29 : x
  2. Step 2: Convert to fraction form
    21,724.20/32,584.68 = 7,491.29/x
  3. Step 3: Cross multiply
    21,724.20x = 32,584.68 × 7,491.29
  4. Step 4: Simplify right side
    21,724.20x = 244,101,124.51
  5. Step 5: Solve for x
    x = 244,101,124.51/21,724.20
  6. Step 6: Final answer
    x = 11,236.37

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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.