Home / 19,843.07-29,765.27-9,976.95

Finding the Fourth Proportional to 19,843.07, 29,765.27 and 9,976.95

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Solution

The fourth proportional to 19,843.07, 29,765.27 and 9,976.95 is: 14,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.07 : 29,765.27 = 9,976.95 : x
  2. Step 2: Convert to fraction form
    19,843.07/29,765.27 = 9,976.95/x
  3. Step 3: Cross multiply
    19,843.07x = 29,765.27 × 9,976.95
  4. Step 4: Simplify right side
    19,843.07x = 296,966,560.64
  5. Step 5: Solve for x
    x = 296,966,560.64/19,843.07
  6. Step 6: Final answer
    x = 14,965.76

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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.