Home / 19,343.62-29,007.69-8,255.26

Finding the Fourth Proportional to 19,343.62, 29,007.69 and 8,255.26

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Solution

The fourth proportional to 19,343.62, 29,007.69 and 8,255.26 is: 12,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.62 : 29,007.69 = 8,255.26 : x
  2. Step 2: Convert to fraction form
    19,343.62/29,007.69 = 8,255.26/x
  3. Step 3: Cross multiply
    19,343.62x = 29,007.69 × 8,255.26
  4. Step 4: Simplify right side
    19,343.62x = 239,466,022.95
  5. Step 5: Solve for x
    x = 239,466,022.95/19,343.62
  6. Step 6: Final answer
    x = 12,379.59

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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.