Home / 34,288.74-51,439.68-12,099.60

Finding the Fourth Proportional to 34,288.74, 51,439.68 and 12,099.60

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Solution

The fourth proportional to 34,288.74, 51,439.68 and 12,099.60 is: 18,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,288.74 : 51,439.68 = 12,099.60 : x
  2. Step 2: Convert to fraction form
    34,288.74/51,439.68 = 12,099.60/x
  3. Step 3: Cross multiply
    34,288.74x = 51,439.68 × 12,099.60
  4. Step 4: Simplify right side
    34,288.74x = 622,399,552.13
  5. Step 5: Solve for x
    x = 622,399,552.13/34,288.74
  6. Step 6: Final answer
    x = 18,151.72

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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.