Home / 16,863.56-23,271.10-9,309.73

Finding the Fourth Proportional to 16,863.56, 23,271.10 and 9,309.73

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Solution

The fourth proportional to 16,863.56, 23,271.10 and 9,309.73 is: 12,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.56 : 23,271.10 = 9,309.73 : x
  2. Step 2: Convert to fraction form
    16,863.56/23,271.10 = 9,309.73/x
  3. Step 3: Cross multiply
    16,863.56x = 23,271.10 × 9,309.73
  4. Step 4: Simplify right side
    16,863.56x = 216,647,672.35
  5. Step 5: Solve for x
    x = 216,647,672.35/16,863.56
  6. Step 6: Final answer
    x = 12,847.09

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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.