Home / 42,634.63-63,951.90-11,469.88

Finding the Fourth Proportional to 42,634.63, 63,951.90 and 11,469.88

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Solution

The fourth proportional to 42,634.63, 63,951.90 and 11,469.88 is: 17,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,634.63 : 63,951.90 = 11,469.88 : x
  2. Step 2: Convert to fraction form
    42,634.63/63,951.90 = 11,469.88/x
  3. Step 3: Cross multiply
    42,634.63x = 63,951.90 × 11,469.88
  4. Step 4: Simplify right side
    42,634.63x = 733,520,618.77
  5. Step 5: Solve for x
    x = 733,520,618.77/42,634.63
  6. Step 6: Final answer
    x = 17,204.81

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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.