Home / 14,209.44-21,311.58-3,818.76

Finding the Fourth Proportional to 14,209.44, 21,311.58 and 3,818.76

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Solution

The fourth proportional to 14,209.44, 21,311.58 and 3,818.76 is: 5,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.44 : 21,311.58 = 3,818.76 : x
  2. Step 2: Convert to fraction form
    14,209.44/21,311.58 = 3,818.76/x
  3. Step 3: Cross multiply
    14,209.44x = 21,311.58 × 3,818.76
  4. Step 4: Simplify right side
    14,209.44x = 81,383,809.24
  5. Step 5: Solve for x
    x = 81,383,809.24/14,209.44
  6. Step 6: Final answer
    x = 5,727.45

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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.