Home / 21,568.19-32,351.96-6,777.99

Finding the Fourth Proportional to 21,568.19, 32,351.96 and 6,777.99

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Solution

The fourth proportional to 21,568.19, 32,351.96 and 6,777.99 is: 10,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.19 : 32,351.96 = 6,777.99 : x
  2. Step 2: Convert to fraction form
    21,568.19/32,351.96 = 6,777.99/x
  3. Step 3: Cross multiply
    21,568.19x = 32,351.96 × 6,777.99
  4. Step 4: Simplify right side
    21,568.19x = 219,281,227.47
  5. Step 5: Solve for x
    x = 219,281,227.47/21,568.19
  6. Step 6: Final answer
    x = 10,166.88

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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.