Home / 30,198.78-41,674.87-16,586.73

Finding the Fourth Proportional to 30,198.78, 41,674.87 and 16,586.73

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Solution

The fourth proportional to 30,198.78, 41,674.87 and 16,586.73 is: 22,889.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.78 : 41,674.87 = 16,586.73 : x
  2. Step 2: Convert to fraction form
    30,198.78/41,674.87 = 16,586.73/x
  3. Step 3: Cross multiply
    30,198.78x = 41,674.87 × 16,586.73
  4. Step 4: Simplify right side
    30,198.78x = 691,249,733.54
  5. Step 5: Solve for x
    x = 691,249,733.54/30,198.78
  6. Step 6: Final answer
    x = 22,889.99

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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.