Home / 19,186.98-28,784.37-8,093.72

Finding the Fourth Proportional to 19,186.98, 28,784.37 and 8,093.72

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Solution

The fourth proportional to 19,186.98, 28,784.37 and 8,093.72 is: 12,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.98 : 28,784.37 = 8,093.72 : x
  2. Step 2: Convert to fraction form
    19,186.98/28,784.37 = 8,093.72/x
  3. Step 3: Cross multiply
    19,186.98x = 28,784.37 × 8,093.72
  4. Step 4: Simplify right side
    19,186.98x = 232,972,487.23
  5. Step 5: Solve for x
    x = 232,972,487.23/19,186.98
  6. Step 6: Final answer
    x = 12,142.22

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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.