Home / 12,791.99-19,186.37-4,026.98

Finding the Fourth Proportional to 12,791.99, 19,186.37 and 4,026.98

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Solution

The fourth proportional to 12,791.99, 19,186.37 and 4,026.98 is: 6,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.99 : 19,186.37 = 4,026.98 : x
  2. Step 2: Convert to fraction form
    12,791.99/19,186.37 = 4,026.98/x
  3. Step 3: Cross multiply
    12,791.99x = 19,186.37 × 4,026.98
  4. Step 4: Simplify right side
    12,791.99x = 77,263,171.19
  5. Step 5: Solve for x
    x = 77,263,171.19/12,791.99
  6. Step 6: Final answer
    x = 6,039.96

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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.