Home / 19,817.41-29,730.66-6,669.43

Finding the Fourth Proportional to 19,817.41, 29,730.66 and 6,669.43

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Solution

The fourth proportional to 19,817.41, 29,730.66 and 6,669.43 is: 10,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.41 : 29,730.66 = 6,669.43 : x
  2. Step 2: Convert to fraction form
    19,817.41/29,730.66 = 6,669.43/x
  3. Step 3: Cross multiply
    19,817.41x = 29,730.66 × 6,669.43
  4. Step 4: Simplify right side
    19,817.41x = 198,286,555.72
  5. Step 5: Solve for x
    x = 198,286,555.72/19,817.41
  6. Step 6: Final answer
    x = 10,005.67

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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.