Home / 19,267.36-28,907.21-8,183.36

Finding the Fourth Proportional to 19,267.36, 28,907.21 and 8,183.36

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Solution

The fourth proportional to 19,267.36, 28,907.21 and 8,183.36 is: 12,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.36 : 28,907.21 = 8,183.36 : x
  2. Step 2: Convert to fraction form
    19,267.36/28,907.21 = 8,183.36/x
  3. Step 3: Cross multiply
    19,267.36x = 28,907.21 × 8,183.36
  4. Step 4: Simplify right side
    19,267.36x = 236,558,106.03
  5. Step 5: Solve for x
    x = 236,558,106.03/19,267.36
  6. Step 6: Final answer
    x = 12,277.66

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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.