Home / 16,380.38-22,580.43-12,837.44

Finding the Fourth Proportional to 16,380.38, 22,580.43 and 12,837.44

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Solution

The fourth proportional to 16,380.38, 22,580.43 and 12,837.44 is: 17,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.38 : 22,580.43 = 12,837.44 : x
  2. Step 2: Convert to fraction form
    16,380.38/22,580.43 = 12,837.44/x
  3. Step 3: Cross multiply
    16,380.38x = 22,580.43 × 12,837.44
  4. Step 4: Simplify right side
    16,380.38x = 289,874,915.30
  5. Step 5: Solve for x
    x = 289,874,915.30/16,380.38
  6. Step 6: Final answer
    x = 17,696.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.