Home / 22,420.56-33,614.36-10,742

Finding the Fourth Proportional to 22,420.56, 33,614.36 and 10,742

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Solution

The fourth proportional to 22,420.56, 33,614.36 and 10,742 is: 16,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.56 : 33,614.36 = 10,742 : x
  2. Step 2: Convert to fraction form
    22,420.56/33,614.36 = 10,742/x
  3. Step 3: Cross multiply
    22,420.56x = 33,614.36 × 10,742
  4. Step 4: Simplify right side
    22,420.56x = 361,085,455.12
  5. Step 5: Solve for x
    x = 361,085,455.12/22,420.56
  6. Step 6: Final answer
    x = 16,105.10

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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.