Home / 17,380.66-26,072.52-4,900.78

Finding the Fourth Proportional to 17,380.66, 26,072.52 and 4,900.78

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Solution

The fourth proportional to 17,380.66, 26,072.52 and 4,900.78 is: 7,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.66 : 26,072.52 = 4,900.78 : x
  2. Step 2: Convert to fraction form
    17,380.66/26,072.52 = 4,900.78/x
  3. Step 3: Cross multiply
    17,380.66x = 26,072.52 × 4,900.78
  4. Step 4: Simplify right side
    17,380.66x = 127,775,684.57
  5. Step 5: Solve for x
    x = 127,775,684.57/17,380.66
  6. Step 6: Final answer
    x = 7,351.60

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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.