Home / 14,386.46-21,550.82-11,429.75

Finding the Fourth Proportional to 14,386.46, 21,550.82 and 11,429.75

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Solution

The fourth proportional to 14,386.46, 21,550.82 and 11,429.75 is: 17,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.46 : 21,550.82 = 11,429.75 : x
  2. Step 2: Convert to fraction form
    14,386.46/21,550.82 = 11,429.75/x
  3. Step 3: Cross multiply
    14,386.46x = 21,550.82 × 11,429.75
  4. Step 4: Simplify right side
    14,386.46x = 246,320,481.62
  5. Step 5: Solve for x
    x = 246,320,481.62/14,386.46
  6. Step 6: Final answer
    x = 17,121.69

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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.