Home / 19,092.15-28,599.89-9,731.79

Finding the Fourth Proportional to 19,092.15, 28,599.89 and 9,731.79

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Solution

The fourth proportional to 19,092.15, 28,599.89 and 9,731.79 is: 14,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.15 : 28,599.89 = 9,731.79 : x
  2. Step 2: Convert to fraction form
    19,092.15/28,599.89 = 9,731.79/x
  3. Step 3: Cross multiply
    19,092.15x = 28,599.89 × 9,731.79
  4. Step 4: Simplify right side
    19,092.15x = 278,328,074.84
  5. Step 5: Solve for x
    x = 278,328,074.84/19,092.15
  6. Step 6: Final answer
    x = 14,578.14

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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.