Home / 17,784.63-26,679.83-5,469.75

Finding the Fourth Proportional to 17,784.63, 26,679.83 and 5,469.75

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Solution

The fourth proportional to 17,784.63, 26,679.83 and 5,469.75 is: 8,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,784.63 : 26,679.83 = 5,469.75 : x
  2. Step 2: Convert to fraction form
    17,784.63/26,679.83 = 5,469.75/x
  3. Step 3: Cross multiply
    17,784.63x = 26,679.83 × 5,469.75
  4. Step 4: Simplify right side
    17,784.63x = 145,931,972.79
  5. Step 5: Solve for x
    x = 145,931,972.79/17,784.63
  6. Step 6: Final answer
    x = 8,205.51

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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.