Home / 16,190.78-22,332.38-10,217.43

Finding the Fourth Proportional to 16,190.78, 22,332.38 and 10,217.43

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Solution

The fourth proportional to 16,190.78, 22,332.38 and 10,217.43 is: 14,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.78 : 22,332.38 = 10,217.43 : x
  2. Step 2: Convert to fraction form
    16,190.78/22,332.38 = 10,217.43/x
  3. Step 3: Cross multiply
    16,190.78x = 22,332.38 × 10,217.43
  4. Step 4: Simplify right side
    16,190.78x = 228,179,478.30
  5. Step 5: Solve for x
    x = 228,179,478.30/16,190.78
  6. Step 6: Final answer
    x = 14,093.18

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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.