Home / 13,582.27-20,373.41-3,721.62

Finding the Fourth Proportional to 13,582.27, 20,373.41 and 3,721.62

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Solution

The fourth proportional to 13,582.27, 20,373.41 and 3,721.62 is: 5,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.27 : 20,373.41 = 3,721.62 : x
  2. Step 2: Convert to fraction form
    13,582.27/20,373.41 = 3,721.62/x
  3. Step 3: Cross multiply
    13,582.27x = 20,373.41 × 3,721.62
  4. Step 4: Simplify right side
    13,582.27x = 75,822,090.12
  5. Step 5: Solve for x
    x = 75,822,090.12/13,582.27
  6. Step 6: Final answer
    x = 5,582.43

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Similar ratio
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1.5x scale

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.