Home / 18,622.88-27,934.29-5,475.24

Finding the Fourth Proportional to 18,622.88, 27,934.29 and 5,475.24

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Solution

The fourth proportional to 18,622.88, 27,934.29 and 5,475.24 is: 8,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.88 : 27,934.29 = 5,475.24 : x
  2. Step 2: Convert to fraction form
    18,622.88/27,934.29 = 5,475.24/x
  3. Step 3: Cross multiply
    18,622.88x = 27,934.29 × 5,475.24
  4. Step 4: Simplify right side
    18,622.88x = 152,946,941.98
  5. Step 5: Solve for x
    x = 152,946,941.98/18,622.88
  6. Step 6: Final answer
    x = 8,212.85

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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.