Home / 13,922.04-19,213.29-7,634.42

Finding the Fourth Proportional to 13,922.04, 19,213.29 and 7,634.42

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Solution

The fourth proportional to 13,922.04, 19,213.29 and 7,634.42 is: 10,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.04 : 19,213.29 = 7,634.42 : x
  2. Step 2: Convert to fraction form
    13,922.04/19,213.29 = 7,634.42/x
  3. Step 3: Cross multiply
    13,922.04x = 19,213.29 × 7,634.42
  4. Step 4: Simplify right side
    13,922.04x = 146,682,229.38
  5. Step 5: Solve for x
    x = 146,682,229.38/13,922.04
  6. Step 6: Final answer
    x = 10,535.97

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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.