Home / 16,203.24-22,331.70-12,222.90

Finding the Fourth Proportional to 16,203.24, 22,331.70 and 12,222.90

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Solution

The fourth proportional to 16,203.24, 22,331.70 and 12,222.90 is: 16,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.24 : 22,331.70 = 12,222.90 : x
  2. Step 2: Convert to fraction form
    16,203.24/22,331.70 = 12,222.90/x
  3. Step 3: Cross multiply
    16,203.24x = 22,331.70 × 12,222.90
  4. Step 4: Simplify right side
    16,203.24x = 272,958,135.93
  5. Step 5: Solve for x
    x = 272,958,135.93/16,203.24
  6. Step 6: Final answer
    x = 16,845.90

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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.