Home / 16,029.38-22,120.13-8,955.86

Finding the Fourth Proportional to 16,029.38, 22,120.13 and 8,955.86

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Solution

The fourth proportional to 16,029.38, 22,120.13 and 8,955.86 is: 12,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.38 : 22,120.13 = 8,955.86 : x
  2. Step 2: Convert to fraction form
    16,029.38/22,120.13 = 8,955.86/x
  3. Step 3: Cross multiply
    16,029.38x = 22,120.13 × 8,955.86
  4. Step 4: Simplify right side
    16,029.38x = 198,104,632.08
  5. Step 5: Solve for x
    x = 198,104,632.08/16,029.38
  6. Step 6: Final answer
    x = 12,358.85

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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.