Home / 16,170.70-22,318.28-9,363.72

Finding the Fourth Proportional to 16,170.70, 22,318.28 and 9,363.72

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Solution

The fourth proportional to 16,170.70, 22,318.28 and 9,363.72 is: 12,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,170.70 : 22,318.28 = 9,363.72 : x
  2. Step 2: Convert to fraction form
    16,170.70/22,318.28 = 9,363.72/x
  3. Step 3: Cross multiply
    16,170.70x = 22,318.28 × 9,363.72
  4. Step 4: Simplify right side
    16,170.70x = 208,982,124.80
  5. Step 5: Solve for x
    x = 208,982,124.80/16,170.70
  6. Step 6: Final answer
    x = 12,923.51

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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.