Home / 19,121.44-26,315.68-16,176

Finding the Fourth Proportional to 19,121.44, 26,315.68 and 16,176

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Solution

The fourth proportional to 19,121.44, 26,315.68 and 16,176 is: 22,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.44 : 26,315.68 = 16,176 : x
  2. Step 2: Convert to fraction form
    19,121.44/26,315.68 = 16,176/x
  3. Step 3: Cross multiply
    19,121.44x = 26,315.68 × 16,176
  4. Step 4: Simplify right side
    19,121.44x = 425,682,439.68
  5. Step 5: Solve for x
    x = 425,682,439.68/19,121.44
  6. Step 6: Final answer
    x = 22,262.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.