Home / 18,975.14-28,463.82-5,827.64

Finding the Fourth Proportional to 18,975.14, 28,463.82 and 5,827.64

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Solution

The fourth proportional to 18,975.14, 28,463.82 and 5,827.64 is: 8,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.14 : 28,463.82 = 5,827.64 : x
  2. Step 2: Convert to fraction form
    18,975.14/28,463.82 = 5,827.64/x
  3. Step 3: Cross multiply
    18,975.14x = 28,463.82 × 5,827.64
  4. Step 4: Simplify right side
    18,975.14x = 165,876,895.98
  5. Step 5: Solve for x
    x = 165,876,895.98/18,975.14
  6. Step 6: Final answer
    x = 8,741.80

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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.