Home / 19,673.86-27,149.90-11,716.42

Finding the Fourth Proportional to 19,673.86, 27,149.90 and 11,716.42

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Solution

The fourth proportional to 19,673.86, 27,149.90 and 11,716.42 is: 16,168.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.86 : 27,149.90 = 11,716.42 : x
  2. Step 2: Convert to fraction form
    19,673.86/27,149.90 = 11,716.42/x
  3. Step 3: Cross multiply
    19,673.86x = 27,149.90 × 11,716.42
  4. Step 4: Simplify right side
    19,673.86x = 318,099,631.36
  5. Step 5: Solve for x
    x = 318,099,631.36/19,673.86
  6. Step 6: Final answer
    x = 16,168.64

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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.