Home / 19,992.44-27,607.32-12,451.72

Finding the Fourth Proportional to 19,992.44, 27,607.32 and 12,451.72

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Solution

The fourth proportional to 19,992.44, 27,607.32 and 12,451.72 is: 17,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.44 : 27,607.32 = 12,451.72 : x
  2. Step 2: Convert to fraction form
    19,992.44/27,607.32 = 12,451.72/x
  3. Step 3: Cross multiply
    19,992.44x = 27,607.32 × 12,451.72
  4. Step 4: Simplify right side
    19,992.44x = 343,758,618.59
  5. Step 5: Solve for x
    x = 343,758,618.59/19,992.44
  6. Step 6: Final answer
    x = 17,194.43

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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.