Home / 16,879.48-23,286.54-11,292.28

Finding the Fourth Proportional to 16,879.48, 23,286.54 and 11,292.28

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Solution

The fourth proportional to 16,879.48, 23,286.54 and 11,292.28 is: 15,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.48 : 23,286.54 = 11,292.28 : x
  2. Step 2: Convert to fraction form
    16,879.48/23,286.54 = 11,292.28/x
  3. Step 3: Cross multiply
    16,879.48x = 23,286.54 × 11,292.28
  4. Step 4: Simplify right side
    16,879.48x = 262,958,129.91
  5. Step 5: Solve for x
    x = 262,958,129.91/16,879.48
  6. Step 6: Final answer
    x = 15,578.57

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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.