Home / 12,864.84-19,297.26-4,100.55

Finding the Fourth Proportional to 12,864.84, 19,297.26 and 4,100.55

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Solution

The fourth proportional to 12,864.84, 19,297.26 and 4,100.55 is: 6,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.84 : 19,297.26 = 4,100.55 : x
  2. Step 2: Convert to fraction form
    12,864.84/19,297.26 = 4,100.55/x
  3. Step 3: Cross multiply
    12,864.84x = 19,297.26 × 4,100.55
  4. Step 4: Simplify right side
    12,864.84x = 79,129,379.49
  5. Step 5: Solve for x
    x = 79,129,379.49/12,864.84
  6. Step 6: Final answer
    x = 6,150.83

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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.