Home / 16,163.86-22,255.50-14,687.59

Finding the Fourth Proportional to 16,163.86, 22,255.50 and 14,687.59

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Solution

The fourth proportional to 16,163.86, 22,255.50 and 14,687.59 is: 20,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,163.86 : 22,255.50 = 14,687.59 : x
  2. Step 2: Convert to fraction form
    16,163.86/22,255.50 = 14,687.59/x
  3. Step 3: Cross multiply
    16,163.86x = 22,255.50 × 14,687.59
  4. Step 4: Simplify right side
    16,163.86x = 326,879,659.25
  5. Step 5: Solve for x
    x = 326,879,659.25/16,163.86
  6. Step 6: Final answer
    x = 20,222.87

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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.