Home / 19,144.65-28,687.73-8,045.27

Finding the Fourth Proportional to 19,144.65, 28,687.73 and 8,045.27

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Solution

The fourth proportional to 19,144.65, 28,687.73 and 8,045.27 is: 12,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.65 : 28,687.73 = 8,045.27 : x
  2. Step 2: Convert to fraction form
    19,144.65/28,687.73 = 8,045.27/x
  3. Step 3: Cross multiply
    19,144.65x = 28,687.73 × 8,045.27
  4. Step 4: Simplify right side
    19,144.65x = 230,800,533.54
  5. Step 5: Solve for x
    x = 230,800,533.54/19,144.65
  6. Step 6: Final answer
    x = 12,055.62

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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.