Home / 18,623.86-27,935.97-5,476.45

Finding the Fourth Proportional to 18,623.86, 27,935.97 and 5,476.45

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Solution

The fourth proportional to 18,623.86, 27,935.97 and 5,476.45 is: 8,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.86 : 27,935.97 = 5,476.45 : x
  2. Step 2: Convert to fraction form
    18,623.86/27,935.97 = 5,476.45/x
  3. Step 3: Cross multiply
    18,623.86x = 27,935.97 × 5,476.45
  4. Step 4: Simplify right side
    18,623.86x = 152,989,942.91
  5. Step 5: Solve for x
    x = 152,989,942.91/18,623.86
  6. Step 6: Final answer
    x = 8,214.73

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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.