Home / 12,173.93-18,304.37-11,211.65

Finding the Fourth Proportional to 12,173.93, 18,304.37 and 11,211.65

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Solution

The fourth proportional to 12,173.93, 18,304.37 and 11,211.65 is: 16,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.93 : 18,304.37 = 11,211.65 : x
  2. Step 2: Convert to fraction form
    12,173.93/18,304.37 = 11,211.65/x
  3. Step 3: Cross multiply
    12,173.93x = 18,304.37 × 11,211.65
  4. Step 4: Simplify right side
    12,173.93x = 205,222,133.85
  5. Step 5: Solve for x
    x = 205,222,133.85/12,173.93
  6. Step 6: Final answer
    x = 16,857.51

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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.