Home / 19,186.64-28,714.94-11,795.80

Finding the Fourth Proportional to 19,186.64, 28,714.94 and 11,795.80

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Solution

The fourth proportional to 19,186.64, 28,714.94 and 11,795.80 is: 17,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.64 : 28,714.94 = 11,795.80 : x
  2. Step 2: Convert to fraction form
    19,186.64/28,714.94 = 11,795.80/x
  3. Step 3: Cross multiply
    19,186.64x = 28,714.94 × 11,795.80
  4. Step 4: Simplify right side
    19,186.64x = 338,715,689.25
  5. Step 5: Solve for x
    x = 338,715,689.25/19,186.64
  6. Step 6: Final answer
    x = 17,653.73

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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.