Home / 21,523.44-32,276.64-8,373.90

Finding the Fourth Proportional to 21,523.44, 32,276.64 and 8,373.90

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Solution

The fourth proportional to 21,523.44, 32,276.64 and 8,373.90 is: 12,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.44 : 32,276.64 = 8,373.90 : x
  2. Step 2: Convert to fraction form
    21,523.44/32,276.64 = 8,373.90/x
  3. Step 3: Cross multiply
    21,523.44x = 32,276.64 × 8,373.90
  4. Step 4: Simplify right side
    21,523.44x = 270,281,355.70
  5. Step 5: Solve for x
    x = 270,281,355.70/21,523.44
  6. Step 6: Final answer
    x = 12,557.54

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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.