Home / 13,491.68-20,239.96-6,099.62

Finding the Fourth Proportional to 13,491.68, 20,239.96 and 6,099.62

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Solution

The fourth proportional to 13,491.68, 20,239.96 and 6,099.62 is: 9,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.68 : 20,239.96 = 6,099.62 : x
  2. Step 2: Convert to fraction form
    13,491.68/20,239.96 = 6,099.62/x
  3. Step 3: Cross multiply
    13,491.68x = 20,239.96 × 6,099.62
  4. Step 4: Simplify right side
    13,491.68x = 123,456,034.32
  5. Step 5: Solve for x
    x = 123,456,034.32/13,491.68
  6. Step 6: Final answer
    x = 9,150.53

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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.