Home / 19,812.24-29,716.85-7,326.42

Finding the Fourth Proportional to 19,812.24, 29,716.85 and 7,326.42

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Solution

The fourth proportional to 19,812.24, 29,716.85 and 7,326.42 is: 10,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.24 : 29,716.85 = 7,326.42 : x
  2. Step 2: Convert to fraction form
    19,812.24/29,716.85 = 7,326.42/x
  3. Step 3: Cross multiply
    19,812.24x = 29,716.85 × 7,326.42
  4. Step 4: Simplify right side
    19,812.24x = 217,718,087.54
  5. Step 5: Solve for x
    x = 217,718,087.54/19,812.24
  6. Step 6: Final answer
    x = 10,989.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.