Home / 19,364.97-29,043.69-5,321.39

Finding the Fourth Proportional to 19,364.97, 29,043.69 and 5,321.39

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Solution

The fourth proportional to 19,364.97, 29,043.69 and 5,321.39 is: 7,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.97 : 29,043.69 = 5,321.39 : x
  2. Step 2: Convert to fraction form
    19,364.97/29,043.69 = 5,321.39/x
  3. Step 3: Cross multiply
    19,364.97x = 29,043.69 × 5,321.39
  4. Step 4: Simplify right side
    19,364.97x = 154,552,894.09
  5. Step 5: Solve for x
    x = 154,552,894.09/19,364.97
  6. Step 6: Final answer
    x = 7,981.06

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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.