Home / 12,767.22-19,136.25-5,360.58

Finding the Fourth Proportional to 12,767.22, 19,136.25 and 5,360.58

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Solution

The fourth proportional to 12,767.22, 19,136.25 and 5,360.58 is: 8,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.22 : 19,136.25 = 5,360.58 : x
  2. Step 2: Convert to fraction form
    12,767.22/19,136.25 = 5,360.58/x
  3. Step 3: Cross multiply
    12,767.22x = 19,136.25 × 5,360.58
  4. Step 4: Simplify right side
    12,767.22x = 102,581,399.03
  5. Step 5: Solve for x
    x = 102,581,399.03/12,767.22
  6. Step 6: Final answer
    x = 8,034.75

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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.