Home / 12,950.46-19,425.69-5,550.12

Finding the Fourth Proportional to 12,950.46, 19,425.69 and 5,550.12

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Solution

The fourth proportional to 12,950.46, 19,425.69 and 5,550.12 is: 8,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.46 : 19,425.69 = 5,550.12 : x
  2. Step 2: Convert to fraction form
    12,950.46/19,425.69 = 5,550.12/x
  3. Step 3: Cross multiply
    12,950.46x = 19,425.69 × 5,550.12
  4. Step 4: Simplify right side
    12,950.46x = 107,814,910.58
  5. Step 5: Solve for x
    x = 107,814,910.58/12,950.46
  6. Step 6: Final answer
    x = 8,325.18

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Double scale
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Similar ratio
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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.