Home / 16,942.92-23,380.88-9,389.22

Finding the Fourth Proportional to 16,942.92, 23,380.88 and 9,389.22

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Solution

The fourth proportional to 16,942.92, 23,380.88 and 9,389.22 is: 12,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.92 : 23,380.88 = 9,389.22 : x
  2. Step 2: Convert to fraction form
    16,942.92/23,380.88 = 9,389.22/x
  3. Step 3: Cross multiply
    16,942.92x = 23,380.88 × 9,389.22
  4. Step 4: Simplify right side
    16,942.92x = 219,528,179.17
  5. Step 5: Solve for x
    x = 219,528,179.17/16,942.92
  6. Step 6: Final answer
    x = 12,956.93

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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.