Home / 14,151.11-21,226.71-4,791.21

Finding the Fourth Proportional to 14,151.11, 21,226.71 and 4,791.21

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Solution

The fourth proportional to 14,151.11, 21,226.71 and 4,791.21 is: 7,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.11 : 21,226.71 = 4,791.21 : x
  2. Step 2: Convert to fraction form
    14,151.11/21,226.71 = 4,791.21/x
  3. Step 3: Cross multiply
    14,151.11x = 21,226.71 × 4,791.21
  4. Step 4: Simplify right side
    14,151.11x = 101,701,625.22
  5. Step 5: Solve for x
    x = 101,701,625.22/14,151.11
  6. Step 6: Final answer
    x = 7,186.83

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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.