Home / 16,455.72-22,709.46-9,003.72

Finding the Fourth Proportional to 16,455.72, 22,709.46 and 9,003.72

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Solution

The fourth proportional to 16,455.72, 22,709.46 and 9,003.72 is: 12,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.72 : 22,709.46 = 9,003.72 : x
  2. Step 2: Convert to fraction form
    16,455.72/22,709.46 = 9,003.72/x
  3. Step 3: Cross multiply
    16,455.72x = 22,709.46 × 9,003.72
  4. Step 4: Simplify right side
    16,455.72x = 204,469,619.19
  5. Step 5: Solve for x
    x = 204,469,619.19/16,455.72
  6. Step 6: Final answer
    x = 12,425.44

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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.