Home / 19,977.22-29,965.83-5,937.19

Finding the Fourth Proportional to 19,977.22, 29,965.83 and 5,937.19

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Solution

The fourth proportional to 19,977.22, 29,965.83 and 5,937.19 is: 8,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.22 : 29,965.83 = 5,937.19 : x
  2. Step 2: Convert to fraction form
    19,977.22/29,965.83 = 5,937.19/x
  3. Step 3: Cross multiply
    19,977.22x = 29,965.83 × 5,937.19
  4. Step 4: Simplify right side
    19,977.22x = 177,912,897.40
  5. Step 5: Solve for x
    x = 177,912,897.40/19,977.22
  6. Step 6: Final answer
    x = 8,905.79

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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.