Home / 16,187.92-22,336.65-10,222.78

Finding the Fourth Proportional to 16,187.92, 22,336.65 and 10,222.78

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Solution

The fourth proportional to 16,187.92, 22,336.65 and 10,222.78 is: 14,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.92 : 22,336.65 = 10,222.78 : x
  2. Step 2: Convert to fraction form
    16,187.92/22,336.65 = 10,222.78/x
  3. Step 3: Cross multiply
    16,187.92x = 22,336.65 × 10,222.78
  4. Step 4: Simplify right side
    16,187.92x = 228,342,658.89
  5. Step 5: Solve for x
    x = 228,342,658.89/16,187.92
  6. Step 6: Final answer
    x = 14,105.74

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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.