Home / 16,840.59-23,238.23-9,286.43

Finding the Fourth Proportional to 16,840.59, 23,238.23 and 9,286.43

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Solution

The fourth proportional to 16,840.59, 23,238.23 and 9,286.43 is: 12,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.59 : 23,238.23 = 9,286.43 : x
  2. Step 2: Convert to fraction form
    16,840.59/23,238.23 = 9,286.43/x
  3. Step 3: Cross multiply
    16,840.59x = 23,238.23 × 9,286.43
  4. Step 4: Simplify right side
    16,840.59x = 215,800,033.60
  5. Step 5: Solve for x
    x = 215,800,033.60/16,840.59
  6. Step 6: Final answer
    x = 12,814.28

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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.