Home / 15,942.78-23,916.38-7,057.41

Finding the Fourth Proportional to 15,942.78, 23,916.38 and 7,057.41

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Solution

The fourth proportional to 15,942.78, 23,916.38 and 7,057.41 is: 10,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.78 : 23,916.38 = 7,057.41 : x
  2. Step 2: Convert to fraction form
    15,942.78/23,916.38 = 7,057.41/x
  3. Step 3: Cross multiply
    15,942.78x = 23,916.38 × 7,057.41
  4. Step 4: Simplify right side
    15,942.78x = 168,787,699.38
  5. Step 5: Solve for x
    x = 168,787,699.38/15,942.78
  6. Step 6: Final answer
    x = 10,587.09

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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.