Home / 19,821.96-29,732.87-5,030.82

Finding the Fourth Proportional to 19,821.96, 29,732.87 and 5,030.82

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Solution

The fourth proportional to 19,821.96, 29,732.87 and 5,030.82 is: 7,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.96 : 29,732.87 = 5,030.82 : x
  2. Step 2: Convert to fraction form
    19,821.96/29,732.87 = 5,030.82/x
  3. Step 3: Cross multiply
    19,821.96x = 29,732.87 × 5,030.82
  4. Step 4: Simplify right side
    19,821.96x = 149,580,691.90
  5. Step 5: Solve for x
    x = 149,580,691.90/19,821.96
  6. Step 6: Final answer
    x = 7,546.21

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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.