Home / 13,942.33-20,916.79-4,582.38

Finding the Fourth Proportional to 13,942.33, 20,916.79 and 4,582.38

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Solution

The fourth proportional to 13,942.33, 20,916.79 and 4,582.38 is: 6,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.33 : 20,916.79 = 4,582.38 : x
  2. Step 2: Convert to fraction form
    13,942.33/20,916.79 = 4,582.38/x
  3. Step 3: Cross multiply
    13,942.33x = 20,916.79 × 4,582.38
  4. Step 4: Simplify right side
    13,942.33x = 95,848,680.16
  5. Step 5: Solve for x
    x = 95,848,680.16/13,942.33
  6. Step 6: Final answer
    x = 6,874.65

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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.