Home / 14,451.62-21,677.11-6,660.44

Finding the Fourth Proportional to 14,451.62, 21,677.11 and 6,660.44

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Solution

The fourth proportional to 14,451.62, 21,677.11 and 6,660.44 is: 9,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.62 : 21,677.11 = 6,660.44 : x
  2. Step 2: Convert to fraction form
    14,451.62/21,677.11 = 6,660.44/x
  3. Step 3: Cross multiply
    14,451.62x = 21,677.11 × 6,660.44
  4. Step 4: Simplify right side
    14,451.62x = 144,379,090.53
  5. Step 5: Solve for x
    x = 144,379,090.53/14,451.62
  6. Step 6: Final answer
    x = 9,990.51

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Double scale
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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.