Home / 14,213.20-21,319.80-3,824.92

Finding the Fourth Proportional to 14,213.20, 21,319.80 and 3,824.92

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Solution

The fourth proportional to 14,213.20, 21,319.80 and 3,824.92 is: 5,737.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.20 : 21,319.80 = 3,824.92 : x
  2. Step 2: Convert to fraction form
    14,213.20/21,319.80 = 3,824.92/x
  3. Step 3: Cross multiply
    14,213.20x = 21,319.80 × 3,824.92
  4. Step 4: Simplify right side
    14,213.20x = 81,546,529.42
  5. Step 5: Solve for x
    x = 81,546,529.42/14,213.20
  6. Step 6: Final answer
    x = 5,737.38

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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.