Home / 19,246.89-28,872.16-7,557.38

Finding the Fourth Proportional to 19,246.89, 28,872.16 and 7,557.38

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Solution

The fourth proportional to 19,246.89, 28,872.16 and 7,557.38 is: 11,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.89 : 28,872.16 = 7,557.38 : x
  2. Step 2: Convert to fraction form
    19,246.89/28,872.16 = 7,557.38/x
  3. Step 3: Cross multiply
    19,246.89x = 28,872.16 × 7,557.38
  4. Step 4: Simplify right side
    19,246.89x = 218,197,721.29
  5. Step 5: Solve for x
    x = 218,197,721.29/19,246.89
  6. Step 6: Final answer
    x = 11,336.78

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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.