Home / 17,771.76-26,628.45-6,078.60

Finding the Fourth Proportional to 17,771.76, 26,628.45 and 6,078.60

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Solution

The fourth proportional to 17,771.76, 26,628.45 and 6,078.60 is: 9,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.76 : 26,628.45 = 6,078.60 : x
  2. Step 2: Convert to fraction form
    17,771.76/26,628.45 = 6,078.60/x
  3. Step 3: Cross multiply
    17,771.76x = 26,628.45 × 6,078.60
  4. Step 4: Simplify right side
    17,771.76x = 161,863,696.17
  5. Step 5: Solve for x
    x = 161,863,696.17/17,771.76
  6. Step 6: Final answer
    x = 9,107.92

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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.