Home / 19,268.58-28,902.78-6,121.98

Finding the Fourth Proportional to 19,268.58, 28,902.78 and 6,121.98

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Solution

The fourth proportional to 19,268.58, 28,902.78 and 6,121.98 is: 9,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.58 : 28,902.78 = 6,121.98 : x
  2. Step 2: Convert to fraction form
    19,268.58/28,902.78 = 6,121.98/x
  3. Step 3: Cross multiply
    19,268.58x = 28,902.78 × 6,121.98
  4. Step 4: Simplify right side
    19,268.58x = 176,942,241.10
  5. Step 5: Solve for x
    x = 176,942,241.10/19,268.58
  6. Step 6: Final answer
    x = 9,182.94

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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.