Home / 18,975.69-28,463.27-5,827.77

Finding the Fourth Proportional to 18,975.69, 28,463.27 and 5,827.77

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Solution

The fourth proportional to 18,975.69, 28,463.27 and 5,827.77 is: 8,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.69 : 28,463.27 = 5,827.77 : x
  2. Step 2: Convert to fraction form
    18,975.69/28,463.27 = 5,827.77/x
  3. Step 3: Cross multiply
    18,975.69x = 28,463.27 × 5,827.77
  4. Step 4: Simplify right side
    18,975.69x = 165,877,361.87
  5. Step 5: Solve for x
    x = 165,877,361.87/18,975.69
  6. Step 6: Final answer
    x = 8,741.57

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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.