Home / 15,747.78-23,614.57-4,650.64

Finding the Fourth Proportional to 15,747.78, 23,614.57 and 4,650.64

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Solution

The fourth proportional to 15,747.78, 23,614.57 and 4,650.64 is: 6,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.78 : 23,614.57 = 4,650.64 : x
  2. Step 2: Convert to fraction form
    15,747.78/23,614.57 = 4,650.64/x
  3. Step 3: Cross multiply
    15,747.78x = 23,614.57 × 4,650.64
  4. Step 4: Simplify right side
    15,747.78x = 109,822,863.82
  5. Step 5: Solve for x
    x = 109,822,863.82/15,747.78
  6. Step 6: Final answer
    x = 6,973.86

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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.