Home / 12,299.36-18,443.60-3,532.24

Finding the Fourth Proportional to 12,299.36, 18,443.60 and 3,532.24

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Solution

The fourth proportional to 12,299.36, 18,443.60 and 3,532.24 is: 5,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.36 : 18,443.60 = 3,532.24 : x
  2. Step 2: Convert to fraction form
    12,299.36/18,443.60 = 3,532.24/x
  3. Step 3: Cross multiply
    12,299.36x = 18,443.60 × 3,532.24
  4. Step 4: Simplify right side
    12,299.36x = 65,147,221.66
  5. Step 5: Solve for x
    x = 65,147,221.66/12,299.36
  6. Step 6: Final answer
    x = 5,296.80

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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.