Home / 19,198.27-28,747.59-16,442.65

Finding the Fourth Proportional to 19,198.27, 28,747.59 and 16,442.65

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Solution

The fourth proportional to 19,198.27, 28,747.59 and 16,442.65 is: 24,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.27 : 28,747.59 = 16,442.65 : x
  2. Step 2: Convert to fraction form
    19,198.27/28,747.59 = 16,442.65/x
  3. Step 3: Cross multiply
    19,198.27x = 28,747.59 × 16,442.65
  4. Step 4: Simplify right side
    19,198.27x = 472,686,560.71
  5. Step 5: Solve for x
    x = 472,686,560.71/19,198.27
  6. Step 6: Final answer
    x = 24,621.31

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1.5x scale

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.