Home / 16,207.78-22,336.20-11,723.93

Finding the Fourth Proportional to 16,207.78, 22,336.20 and 11,723.93

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Solution

The fourth proportional to 16,207.78, 22,336.20 and 11,723.93 is: 16,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,207.78 : 22,336.20 = 11,723.93 : x
  2. Step 2: Convert to fraction form
    16,207.78/22,336.20 = 11,723.93/x
  3. Step 3: Cross multiply
    16,207.78x = 22,336.20 × 11,723.93
  4. Step 4: Simplify right side
    16,207.78x = 261,867,933.59
  5. Step 5: Solve for x
    x = 261,867,933.59/16,207.78
  6. Step 6: Final answer
    x = 16,156.93

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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.