Home / 12,950.82-19,426.90-5,550.12

Finding the Fourth Proportional to 12,950.82, 19,426.90 and 5,550.12

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Solution

The fourth proportional to 12,950.82, 19,426.90 and 5,550.12 is: 8,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.82 : 19,426.90 = 5,550.12 : x
  2. Step 2: Convert to fraction form
    12,950.82/19,426.90 = 5,550.12/x
  3. Step 3: Cross multiply
    12,950.82x = 19,426.90 × 5,550.12
  4. Step 4: Simplify right side
    12,950.82x = 107,821,626.23
  5. Step 5: Solve for x
    x = 107,821,626.23/12,950.82
  6. Step 6: Final answer
    x = 8,325.47

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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.