Home / 20,132.66-30,200.50-5,341.26

Finding the Fourth Proportional to 20,132.66, 30,200.50 and 5,341.26

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Solution

The fourth proportional to 20,132.66, 30,200.50 and 5,341.26 is: 8,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.66 : 30,200.50 = 5,341.26 : x
  2. Step 2: Convert to fraction form
    20,132.66/30,200.50 = 5,341.26/x
  3. Step 3: Cross multiply
    20,132.66x = 30,200.50 × 5,341.26
  4. Step 4: Simplify right side
    20,132.66x = 161,308,722.63
  5. Step 5: Solve for x
    x = 161,308,722.63/20,132.66
  6. Step 6: Final answer
    x = 8,012.29

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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.