Home / 21,744.21-32,605.79-10,637.90

Finding the Fourth Proportional to 21,744.21, 32,605.79 and 10,637.90

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Solution

The fourth proportional to 21,744.21, 32,605.79 and 10,637.90 is: 15,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.21 : 32,605.79 = 10,637.90 : x
  2. Step 2: Convert to fraction form
    21,744.21/32,605.79 = 10,637.90/x
  3. Step 3: Cross multiply
    21,744.21x = 32,605.79 × 10,637.90
  4. Step 4: Simplify right side
    21,744.21x = 346,856,917.22
  5. Step 5: Solve for x
    x = 346,856,917.22/21,744.21
  6. Step 6: Final answer
    x = 15,951.69

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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.