Home / 14,528.82-21,796.68-7,871.97

Finding the Fourth Proportional to 14,528.82, 21,796.68 and 7,871.97

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Solution

The fourth proportional to 14,528.82, 21,796.68 and 7,871.97 is: 11,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.82 : 21,796.68 = 7,871.97 : x
  2. Step 2: Convert to fraction form
    14,528.82/21,796.68 = 7,871.97/x
  3. Step 3: Cross multiply
    14,528.82x = 21,796.68 × 7,871.97
  4. Step 4: Simplify right side
    14,528.82x = 171,582,811.06
  5. Step 5: Solve for x
    x = 171,582,811.06/14,528.82
  6. Step 6: Final answer
    x = 11,809.82

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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.