Home / 14,382.54-21,573.27-3,994.02

Finding the Fourth Proportional to 14,382.54, 21,573.27 and 3,994.02

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Solution

The fourth proportional to 14,382.54, 21,573.27 and 3,994.02 is: 5,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.54 : 21,573.27 = 3,994.02 : x
  2. Step 2: Convert to fraction form
    14,382.54/21,573.27 = 3,994.02/x
  3. Step 3: Cross multiply
    14,382.54x = 21,573.27 × 3,994.02
  4. Step 4: Simplify right side
    14,382.54x = 86,164,071.85
  5. Step 5: Solve for x
    x = 86,164,071.85/14,382.54
  6. Step 6: Final answer
    x = 5,990.88

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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.