Home / 16,031.27-22,123.09-8,957.69

Finding the Fourth Proportional to 16,031.27, 22,123.09 and 8,957.69

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Solution

The fourth proportional to 16,031.27, 22,123.09 and 8,957.69 is: 12,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.27 : 22,123.09 = 8,957.69 : x
  2. Step 2: Convert to fraction form
    16,031.27/22,123.09 = 8,957.69/x
  3. Step 3: Cross multiply
    16,031.27x = 22,123.09 × 8,957.69
  4. Step 4: Simplify right side
    16,031.27x = 198,171,626.66
  5. Step 5: Solve for x
    x = 198,171,626.66/16,031.27
  6. Step 6: Final answer
    x = 12,361.57

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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.