Home / 16,825.59-25,216.11-12,910.86

Finding the Fourth Proportional to 16,825.59, 25,216.11 and 12,910.86

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Solution

The fourth proportional to 16,825.59, 25,216.11 and 12,910.86 is: 19,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.59 : 25,216.11 = 12,910.86 : x
  2. Step 2: Convert to fraction form
    16,825.59/25,216.11 = 12,910.86/x
  3. Step 3: Cross multiply
    16,825.59x = 25,216.11 × 12,910.86
  4. Step 4: Simplify right side
    16,825.59x = 325,561,665.95
  5. Step 5: Solve for x
    x = 325,561,665.95/16,825.59
  6. Step 6: Final answer
    x = 19,349.20

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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.