Home / 20,583.28-30,850.14-9,474.76

Finding the Fourth Proportional to 20,583.28, 30,850.14 and 9,474.76

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Solution

The fourth proportional to 20,583.28, 30,850.14 and 9,474.76 is: 14,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.28 : 30,850.14 = 9,474.76 : x
  2. Step 2: Convert to fraction form
    20,583.28/30,850.14 = 9,474.76/x
  3. Step 3: Cross multiply
    20,583.28x = 30,850.14 × 9,474.76
  4. Step 4: Simplify right side
    20,583.28x = 292,297,672.47
  5. Step 5: Solve for x
    x = 292,297,672.47/20,583.28
  6. Step 6: Final answer
    x = 14,200.73

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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.