Home / 21,836.36-32,761.46-7,796.08

Finding the Fourth Proportional to 21,836.36, 32,761.46 and 7,796.08

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Solution

The fourth proportional to 21,836.36, 32,761.46 and 7,796.08 is: 11,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.36 : 32,761.46 = 7,796.08 : x
  2. Step 2: Convert to fraction form
    21,836.36/32,761.46 = 7,796.08/x
  3. Step 3: Cross multiply
    21,836.36x = 32,761.46 × 7,796.08
  4. Step 4: Simplify right side
    21,836.36x = 255,411,023.52
  5. Step 5: Solve for x
    x = 255,411,023.52/21,836.36
  6. Step 6: Final answer
    x = 11,696.59

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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.