Home / 23,398.38-32,291.99-12,789.60

Finding the Fourth Proportional to 23,398.38, 32,291.99 and 12,789.60

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Solution

The fourth proportional to 23,398.38, 32,291.99 and 12,789.60 is: 17,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,398.38 : 32,291.99 = 12,789.60 : x
  2. Step 2: Convert to fraction form
    23,398.38/32,291.99 = 12,789.60/x
  3. Step 3: Cross multiply
    23,398.38x = 32,291.99 × 12,789.60
  4. Step 4: Simplify right side
    23,398.38x = 413,001,571.36
  5. Step 5: Solve for x
    x = 413,001,571.36/23,398.38
  6. Step 6: Final answer
    x = 17,650.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.