Home / 16,770.45-23,143.20-9,217.27

Finding the Fourth Proportional to 16,770.45, 23,143.20 and 9,217.27

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Solution

The fourth proportional to 16,770.45, 23,143.20 and 9,217.27 is: 12,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.45 : 23,143.20 = 9,217.27 : x
  2. Step 2: Convert to fraction form
    16,770.45/23,143.20 = 9,217.27/x
  3. Step 3: Cross multiply
    16,770.45x = 23,143.20 × 9,217.27
  4. Step 4: Simplify right side
    16,770.45x = 213,317,007.35
  5. Step 5: Solve for x
    x = 213,317,007.35/16,770.45
  6. Step 6: Final answer
    x = 12,719.82

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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.