Home / 20,186.93-30,266.70-11,308.37

Finding the Fourth Proportional to 20,186.93, 30,266.70 and 11,308.37

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Solution

The fourth proportional to 20,186.93, 30,266.70 and 11,308.37 is: 16,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.93 : 30,266.70 = 11,308.37 : x
  2. Step 2: Convert to fraction form
    20,186.93/30,266.70 = 11,308.37/x
  3. Step 3: Cross multiply
    20,186.93x = 30,266.70 × 11,308.37
  4. Step 4: Simplify right side
    20,186.93x = 342,266,890.95
  5. Step 5: Solve for x
    x = 342,266,890.95/20,186.93
  6. Step 6: Final answer
    x = 16,954.88

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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.