Home / 15,916.73-23,874.84-5,384.49

Finding the Fourth Proportional to 15,916.73, 23,874.84 and 5,384.49

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Solution

The fourth proportional to 15,916.73, 23,874.84 and 5,384.49 is: 8,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.73 : 23,874.84 = 5,384.49 : x
  2. Step 2: Convert to fraction form
    15,916.73/23,874.84 = 5,384.49/x
  3. Step 3: Cross multiply
    15,916.73x = 23,874.84 × 5,384.49
  4. Step 4: Simplify right side
    15,916.73x = 128,553,837.23
  5. Step 5: Solve for x
    x = 128,553,837.23/15,916.73
  6. Step 6: Final answer
    x = 8,076.65

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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.