Home / 19,519.21-29,283.48-6,371.61

Finding the Fourth Proportional to 19,519.21, 29,283.48 and 6,371.61

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Solution

The fourth proportional to 19,519.21, 29,283.48 and 6,371.61 is: 9,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.21 : 29,283.48 = 6,371.61 : x
  2. Step 2: Convert to fraction form
    19,519.21/29,283.48 = 6,371.61/x
  3. Step 3: Cross multiply
    19,519.21x = 29,283.48 × 6,371.61
  4. Step 4: Simplify right side
    19,519.21x = 186,582,914.00
  5. Step 5: Solve for x
    x = 186,582,914.00/19,519.21
  6. Step 6: Final answer
    x = 9,558.94

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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.