Home / 16,686.76-25,004.94-11,120.44

Finding the Fourth Proportional to 16,686.76, 25,004.94 and 11,120.44

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Solution

The fourth proportional to 16,686.76, 25,004.94 and 11,120.44 is: 16,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.76 : 25,004.94 = 11,120.44 : x
  2. Step 2: Convert to fraction form
    16,686.76/25,004.94 = 11,120.44/x
  3. Step 3: Cross multiply
    16,686.76x = 25,004.94 × 11,120.44
  4. Step 4: Simplify right side
    16,686.76x = 278,065,934.97
  5. Step 5: Solve for x
    x = 278,065,934.97/16,686.76
  6. Step 6: Final answer
    x = 16,663.87

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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.