Home / 23,138.72-34,708.09-5,608.55

Finding the Fourth Proportional to 23,138.72, 34,708.09 and 5,608.55

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Solution

The fourth proportional to 23,138.72, 34,708.09 and 5,608.55 is: 8,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.72 : 34,708.09 = 5,608.55 : x
  2. Step 2: Convert to fraction form
    23,138.72/34,708.09 = 5,608.55/x
  3. Step 3: Cross multiply
    23,138.72x = 34,708.09 × 5,608.55
  4. Step 4: Simplify right side
    23,138.72x = 194,662,130.92
  5. Step 5: Solve for x
    x = 194,662,130.92/23,138.72
  6. Step 6: Final answer
    x = 8,412.83

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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.