Home / 25,474.88-35,167.20-16,991.12

Finding the Fourth Proportional to 25,474.88, 35,167.20 and 16,991.12

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Solution

The fourth proportional to 25,474.88, 35,167.20 and 16,991.12 is: 23,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,474.88 : 35,167.20 = 16,991.12 : x
  2. Step 2: Convert to fraction form
    25,474.88/35,167.20 = 16,991.12/x
  3. Step 3: Cross multiply
    25,474.88x = 35,167.20 × 16,991.12
  4. Step 4: Simplify right side
    25,474.88x = 597,530,115.26
  5. Step 5: Solve for x
    x = 597,530,115.26/25,474.88
  6. Step 6: Final answer
    x = 23,455.66

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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.