Home / 19,757.21-29,635.61-4,965.80

Finding the Fourth Proportional to 19,757.21, 29,635.61 and 4,965.80

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Solution

The fourth proportional to 19,757.21, 29,635.61 and 4,965.80 is: 7,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.21 : 29,635.61 = 4,965.80 : x
  2. Step 2: Convert to fraction form
    19,757.21/29,635.61 = 4,965.80/x
  3. Step 3: Cross multiply
    19,757.21x = 29,635.61 × 4,965.80
  4. Step 4: Simplify right side
    19,757.21x = 147,164,512.14
  5. Step 5: Solve for x
    x = 147,164,512.14/19,757.21
  6. Step 6: Final answer
    x = 7,448.65

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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.