Home / 21,926.28-32,869.68-7,883.02

Finding the Fourth Proportional to 21,926.28, 32,869.68 and 7,883.02

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Solution

The fourth proportional to 21,926.28, 32,869.68 and 7,883.02 is: 11,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.28 : 32,869.68 = 7,883.02 : x
  2. Step 2: Convert to fraction form
    21,926.28/32,869.68 = 7,883.02/x
  3. Step 3: Cross multiply
    21,926.28x = 32,869.68 × 7,883.02
  4. Step 4: Simplify right side
    21,926.28x = 259,112,344.83
  5. Step 5: Solve for x
    x = 259,112,344.83/21,926.28
  6. Step 6: Final answer
    x = 11,817.43

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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.