Home / 19,087.66-28,638.31-11,606.44

Finding the Fourth Proportional to 19,087.66, 28,638.31 and 11,606.44

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Solution

The fourth proportional to 19,087.66, 28,638.31 and 11,606.44 is: 17,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.66 : 28,638.31 = 11,606.44 : x
  2. Step 2: Convert to fraction form
    19,087.66/28,638.31 = 11,606.44/x
  3. Step 3: Cross multiply
    19,087.66x = 28,638.31 × 11,606.44
  4. Step 4: Simplify right side
    19,087.66x = 332,388,826.72
  5. Step 5: Solve for x
    x = 332,388,826.72/19,087.66
  6. Step 6: Final answer
    x = 17,413.81

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1.5x scale

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.