Home / 14,249.81-19,651.94-11,867.64

Finding the Fourth Proportional to 14,249.81, 19,651.94 and 11,867.64

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Solution

The fourth proportional to 14,249.81, 19,651.94 and 11,867.64 is: 16,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.81 : 19,651.94 = 11,867.64 : x
  2. Step 2: Convert to fraction form
    14,249.81/19,651.94 = 11,867.64/x
  3. Step 3: Cross multiply
    14,249.81x = 19,651.94 × 11,867.64
  4. Step 4: Simplify right side
    14,249.81x = 233,222,089.88
  5. Step 5: Solve for x
    x = 233,222,089.88/14,249.81
  6. Step 6: Final answer
    x = 16,366.69

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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.