Home / 19,821.35-29,732.03-6,672.62

Finding the Fourth Proportional to 19,821.35, 29,732.03 and 6,672.62

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Solution

The fourth proportional to 19,821.35, 29,732.03 and 6,672.62 is: 10,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.35 : 29,732.03 = 6,672.62 : x
  2. Step 2: Convert to fraction form
    19,821.35/29,732.03 = 6,672.62/x
  3. Step 3: Cross multiply
    19,821.35x = 29,732.03 × 6,672.62
  4. Step 4: Simplify right side
    19,821.35x = 198,390,356.00
  5. Step 5: Solve for x
    x = 198,390,356.00/19,821.35
  6. Step 6: Final answer
    x = 10,008.93

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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.