Home / 19,247.47-28,872.82-6,766.40

Finding the Fourth Proportional to 19,247.47, 28,872.82 and 6,766.40

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Solution

The fourth proportional to 19,247.47, 28,872.82 and 6,766.40 is: 10,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.47 : 28,872.82 = 6,766.40 : x
  2. Step 2: Convert to fraction form
    19,247.47/28,872.82 = 6,766.40/x
  3. Step 3: Cross multiply
    19,247.47x = 28,872.82 × 6,766.40
  4. Step 4: Simplify right side
    19,247.47x = 195,365,129.89
  5. Step 5: Solve for x
    x = 195,365,129.89/19,247.47
  6. Step 6: Final answer
    x = 10,150.17

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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.