Home / 22,000.41-30,349.49-15,716.43

Finding the Fourth Proportional to 22,000.41, 30,349.49 and 15,716.43

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Solution

The fourth proportional to 22,000.41, 30,349.49 and 15,716.43 is: 21,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.41 : 30,349.49 = 15,716.43 : x
  2. Step 2: Convert to fraction form
    22,000.41/30,349.49 = 15,716.43/x
  3. Step 3: Cross multiply
    22,000.41x = 30,349.49 × 15,716.43
  4. Step 4: Simplify right side
    22,000.41x = 476,985,556.54
  5. Step 5: Solve for x
    x = 476,985,556.54/22,000.41
  6. Step 6: Final answer
    x = 21,680.76

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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.