Home / 18,359.84-27,462-12,450.08

Finding the Fourth Proportional to 18,359.84, 27,462 and 12,450.08

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Solution

The fourth proportional to 18,359.84, 27,462 and 12,450.08 is: 18,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.84 : 27,462 = 12,450.08 : x
  2. Step 2: Convert to fraction form
    18,359.84/27,462 = 12,450.08/x
  3. Step 3: Cross multiply
    18,359.84x = 27,462 × 12,450.08
  4. Step 4: Simplify right side
    18,359.84x = 341,904,096.96
  5. Step 5: Solve for x
    x = 341,904,096.96/18,359.84
  6. Step 6: Final answer
    x = 18,622.39

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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.