Home / 17,915.06-26,872.83-6,822.36

Finding the Fourth Proportional to 17,915.06, 26,872.83 and 6,822.36

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Solution

The fourth proportional to 17,915.06, 26,872.83 and 6,822.36 is: 10,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.06 : 26,872.83 = 6,822.36 : x
  2. Step 2: Convert to fraction form
    17,915.06/26,872.83 = 6,822.36/x
  3. Step 3: Cross multiply
    17,915.06x = 26,872.83 × 6,822.36
  4. Step 4: Simplify right side
    17,915.06x = 183,336,120.48
  5. Step 5: Solve for x
    x = 183,336,120.48/17,915.06
  6. Step 6: Final answer
    x = 10,233.63

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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.