Home / 12,295.26-18,443.03-3,530.25

Finding the Fourth Proportional to 12,295.26, 18,443.03 and 3,530.25

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Solution

The fourth proportional to 12,295.26, 18,443.03 and 3,530.25 is: 5,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.26 : 18,443.03 = 3,530.25 : x
  2. Step 2: Convert to fraction form
    12,295.26/18,443.03 = 3,530.25/x
  3. Step 3: Cross multiply
    12,295.26x = 18,443.03 × 3,530.25
  4. Step 4: Simplify right side
    12,295.26x = 65,108,489.01
  5. Step 5: Solve for x
    x = 65,108,489.01/12,295.26
  6. Step 6: Final answer
    x = 5,295.41

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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.