Home / 14,211.27-19,610.46-7,922.43

Finding the Fourth Proportional to 14,211.27, 19,610.46 and 7,922.43

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Solution

The fourth proportional to 14,211.27, 19,610.46 and 7,922.43 is: 10,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.27 : 19,610.46 = 7,922.43 : x
  2. Step 2: Convert to fraction form
    14,211.27/19,610.46 = 7,922.43/x
  3. Step 3: Cross multiply
    14,211.27x = 19,610.46 × 7,922.43
  4. Step 4: Simplify right side
    14,211.27x = 155,362,496.62
  5. Step 5: Solve for x
    x = 155,362,496.62/14,211.27
  6. Step 6: Final answer
    x = 10,932.34

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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.