Home / 23,489.52-32,414.96-12,879.12

Finding the Fourth Proportional to 23,489.52, 32,414.96 and 12,879.12

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Solution

The fourth proportional to 23,489.52, 32,414.96 and 12,879.12 is: 17,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.52 : 32,414.96 = 12,879.12 : x
  2. Step 2: Convert to fraction form
    23,489.52/32,414.96 = 12,879.12/x
  3. Step 3: Cross multiply
    23,489.52x = 32,414.96 × 12,879.12
  4. Step 4: Simplify right side
    23,489.52x = 417,476,159.64
  5. Step 5: Solve for x
    x = 417,476,159.64/23,489.52
  6. Step 6: Final answer
    x = 17,772.87

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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.