Home / 19,202.58-28,816.94-11,784.41

Finding the Fourth Proportional to 19,202.58, 28,816.94 and 11,784.41

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Solution

The fourth proportional to 19,202.58, 28,816.94 and 11,784.41 is: 17,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.58 : 28,816.94 = 11,784.41 : x
  2. Step 2: Convert to fraction form
    19,202.58/28,816.94 = 11,784.41/x
  3. Step 3: Cross multiply
    19,202.58x = 28,816.94 × 11,784.41
  4. Step 4: Simplify right side
    19,202.58x = 339,590,432.90
  5. Step 5: Solve for x
    x = 339,590,432.90/19,202.58
  6. Step 6: Final answer
    x = 17,684.63

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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.