Home / 21,926.13-32,892.64-7,131.58

Finding the Fourth Proportional to 21,926.13, 32,892.64 and 7,131.58

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Solution

The fourth proportional to 21,926.13, 32,892.64 and 7,131.58 is: 10,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.13 : 32,892.64 = 7,131.58 : x
  2. Step 2: Convert to fraction form
    21,926.13/32,892.64 = 7,131.58/x
  3. Step 3: Cross multiply
    21,926.13x = 32,892.64 × 7,131.58
  4. Step 4: Simplify right side
    21,926.13x = 234,576,540.14
  5. Step 5: Solve for x
    x = 234,576,540.14/21,926.13
  6. Step 6: Final answer
    x = 10,698.49

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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.