Home / 16,940.96-23,370.68-10,974.56

Finding the Fourth Proportional to 16,940.96, 23,370.68 and 10,974.56

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Solution

The fourth proportional to 16,940.96, 23,370.68 and 10,974.56 is: 15,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.96 : 23,370.68 = 10,974.56 : x
  2. Step 2: Convert to fraction form
    16,940.96/23,370.68 = 10,974.56/x
  3. Step 3: Cross multiply
    16,940.96x = 23,370.68 × 10,974.56
  4. Step 4: Simplify right side
    16,940.96x = 256,482,929.90
  5. Step 5: Solve for x
    x = 256,482,929.90/16,940.96
  6. Step 6: Final answer
    x = 15,139.81

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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.