Home / 19,049.86-28,574.52-5,198.86

Finding the Fourth Proportional to 19,049.86, 28,574.52 and 5,198.86

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Solution

The fourth proportional to 19,049.86, 28,574.52 and 5,198.86 is: 7,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.86 : 28,574.52 = 5,198.86 : x
  2. Step 2: Convert to fraction form
    19,049.86/28,574.52 = 5,198.86/x
  3. Step 3: Cross multiply
    19,049.86x = 28,574.52 × 5,198.86
  4. Step 4: Simplify right side
    19,049.86x = 148,554,929.05
  5. Step 5: Solve for x
    x = 148,554,929.05/19,049.86
  6. Step 6: Final answer
    x = 7,798.22

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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.