Home / 18,526.89-27,787.91-6,679.43

Finding the Fourth Proportional to 18,526.89, 27,787.91 and 6,679.43

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Solution

The fourth proportional to 18,526.89, 27,787.91 and 6,679.43 is: 10,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.89 : 27,787.91 = 6,679.43 : x
  2. Step 2: Convert to fraction form
    18,526.89/27,787.91 = 6,679.43/x
  3. Step 3: Cross multiply
    18,526.89x = 27,787.91 × 6,679.43
  4. Step 4: Simplify right side
    18,526.89x = 185,607,227.35
  5. Step 5: Solve for x
    x = 185,607,227.35/18,526.89
  6. Step 6: Final answer
    x = 10,018.26

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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.