Home / 19,675.84-29,517.40-5,635.28

Finding the Fourth Proportional to 19,675.84, 29,517.40 and 5,635.28

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Solution

The fourth proportional to 19,675.84, 29,517.40 and 5,635.28 is: 8,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.84 : 29,517.40 = 5,635.28 : x
  2. Step 2: Convert to fraction form
    19,675.84/29,517.40 = 5,635.28/x
  3. Step 3: Cross multiply
    19,675.84x = 29,517.40 × 5,635.28
  4. Step 4: Simplify right side
    19,675.84x = 166,338,813.87
  5. Step 5: Solve for x
    x = 166,338,813.87/19,675.84
  6. Step 6: Final answer
    x = 8,453.96

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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.