Home / 22,137.43-33,215.87-11,749.99

Finding the Fourth Proportional to 22,137.43, 33,215.87 and 11,749.99

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Solution

The fourth proportional to 22,137.43, 33,215.87 and 11,749.99 is: 17,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.43 : 33,215.87 = 11,749.99 : x
  2. Step 2: Convert to fraction form
    22,137.43/33,215.87 = 11,749.99/x
  3. Step 3: Cross multiply
    22,137.43x = 33,215.87 × 11,749.99
  4. Step 4: Simplify right side
    22,137.43x = 390,286,140.34
  5. Step 5: Solve for x
    x = 390,286,140.34/22,137.43
  6. Step 6: Final answer
    x = 17,630.15

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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.