Home / 19,333.61-28,993.30-6,680.15

Finding the Fourth Proportional to 19,333.61, 28,993.30 and 6,680.15

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Solution

The fourth proportional to 19,333.61, 28,993.30 and 6,680.15 is: 10,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.61 : 28,993.30 = 6,680.15 : x
  2. Step 2: Convert to fraction form
    19,333.61/28,993.30 = 6,680.15/x
  3. Step 3: Cross multiply
    19,333.61x = 28,993.30 × 6,680.15
  4. Step 4: Simplify right side
    19,333.61x = 193,679,414.63
  5. Step 5: Solve for x
    x = 193,679,414.63/19,333.61
  6. Step 6: Final answer
    x = 10,017.76

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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.