Home / 13,582.87-20,373.62-3,722.15

Finding the Fourth Proportional to 13,582.87, 20,373.62 and 3,722.15

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Solution

The fourth proportional to 13,582.87, 20,373.62 and 3,722.15 is: 5,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.87 : 20,373.62 = 3,722.15 : x
  2. Step 2: Convert to fraction form
    13,582.87/20,373.62 = 3,722.15/x
  3. Step 3: Cross multiply
    13,582.87x = 20,373.62 × 3,722.15
  4. Step 4: Simplify right side
    13,582.87x = 75,833,702.01
  5. Step 5: Solve for x
    x = 75,833,702.01/13,582.87
  6. Step 6: Final answer
    x = 5,583.04

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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.