Home / 16,145.48-22,249.94-13,906.64

Finding the Fourth Proportional to 16,145.48, 22,249.94 and 13,906.64

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Solution

The fourth proportional to 16,145.48, 22,249.94 and 13,906.64 is: 19,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.48 : 22,249.94 = 13,906.64 : x
  2. Step 2: Convert to fraction form
    16,145.48/22,249.94 = 13,906.64/x
  3. Step 3: Cross multiply
    16,145.48x = 22,249.94 × 13,906.64
  4. Step 4: Simplify right side
    16,145.48x = 309,421,905.60
  5. Step 5: Solve for x
    x = 309,421,905.60/16,145.48
  6. Step 6: Final answer
    x = 19,164.61

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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.