Home / 12,996.06-19,491.11-3,636.74

Finding the Fourth Proportional to 12,996.06, 19,491.11 and 3,636.74

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Solution

The fourth proportional to 12,996.06, 19,491.11 and 3,636.74 is: 5,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.06 : 19,491.11 = 3,636.74 : x
  2. Step 2: Convert to fraction form
    12,996.06/19,491.11 = 3,636.74/x
  3. Step 3: Cross multiply
    12,996.06x = 19,491.11 × 3,636.74
  4. Step 4: Simplify right side
    12,996.06x = 70,884,099.38
  5. Step 5: Solve for x
    x = 70,884,099.38/12,996.06
  6. Step 6: Final answer
    x = 5,454.28

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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.