Home / 21,836.66-32,748.05-7,042.14

Finding the Fourth Proportional to 21,836.66, 32,748.05 and 7,042.14

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Solution

The fourth proportional to 21,836.66, 32,748.05 and 7,042.14 is: 10,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.66 : 32,748.05 = 7,042.14 : x
  2. Step 2: Convert to fraction form
    21,836.66/32,748.05 = 7,042.14/x
  3. Step 3: Cross multiply
    21,836.66x = 32,748.05 × 7,042.14
  4. Step 4: Simplify right side
    21,836.66x = 230,616,330.82
  5. Step 5: Solve for x
    x = 230,616,330.82/21,836.66
  6. Step 6: Final answer
    x = 10,560.97

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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.