Home / 14,942.52-20,623.14-11,399.04

Finding the Fourth Proportional to 14,942.52, 20,623.14 and 11,399.04

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Solution

The fourth proportional to 14,942.52, 20,623.14 and 11,399.04 is: 15,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.52 : 20,623.14 = 11,399.04 : x
  2. Step 2: Convert to fraction form
    14,942.52/20,623.14 = 11,399.04/x
  3. Step 3: Cross multiply
    14,942.52x = 20,623.14 × 11,399.04
  4. Step 4: Simplify right side
    14,942.52x = 235,083,997.79
  5. Step 5: Solve for x
    x = 235,083,997.79/14,942.52
  6. Step 6: Final answer
    x = 15,732.55

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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.