Home / 19,229.10-28,846.80-6,078.30

Finding the Fourth Proportional to 19,229.10, 28,846.80 and 6,078.30

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Solution

The fourth proportional to 19,229.10, 28,846.80 and 6,078.30 is: 9,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.10 : 28,846.80 = 6,078.30 : x
  2. Step 2: Convert to fraction form
    19,229.10/28,846.80 = 6,078.30/x
  3. Step 3: Cross multiply
    19,229.10x = 28,846.80 × 6,078.30
  4. Step 4: Simplify right side
    19,229.10x = 175,339,504.44
  5. Step 5: Solve for x
    x = 175,339,504.44/19,229.10
  6. Step 6: Final answer
    x = 9,118.45

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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.