Home / 19,046.21-28,587.74-9,192.43

Finding the Fourth Proportional to 19,046.21, 28,587.74 and 9,192.43

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Solution

The fourth proportional to 19,046.21, 28,587.74 and 9,192.43 is: 13,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.21 : 28,587.74 = 9,192.43 : x
  2. Step 2: Convert to fraction form
    19,046.21/28,587.74 = 9,192.43/x
  3. Step 3: Cross multiply
    19,046.21x = 28,587.74 × 9,192.43
  4. Step 4: Simplify right side
    19,046.21x = 262,790,678.85
  5. Step 5: Solve for x
    x = 262,790,678.85/19,046.21
  6. Step 6: Final answer
    x = 13,797.53

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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.