Home / 14,912.43-20,579.54-8,198.23

Finding the Fourth Proportional to 14,912.43, 20,579.54 and 8,198.23

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Solution

The fourth proportional to 14,912.43, 20,579.54 and 8,198.23 is: 11,313.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.43 : 20,579.54 = 8,198.23 : x
  2. Step 2: Convert to fraction form
    14,912.43/20,579.54 = 8,198.23/x
  3. Step 3: Cross multiply
    14,912.43x = 20,579.54 × 8,198.23
  4. Step 4: Simplify right side
    14,912.43x = 168,715,802.21
  5. Step 5: Solve for x
    x = 168,715,802.21/14,912.43
  6. Step 6: Final answer
    x = 11,313.77

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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.