Home / 18,770.44-25,899.15-11,967.05

Finding the Fourth Proportional to 18,770.44, 25,899.15 and 11,967.05

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Solution

The fourth proportional to 18,770.44, 25,899.15 and 11,967.05 is: 16,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.44 : 25,899.15 = 11,967.05 : x
  2. Step 2: Convert to fraction form
    18,770.44/25,899.15 = 11,967.05/x
  3. Step 3: Cross multiply
    18,770.44x = 25,899.15 × 11,967.05
  4. Step 4: Simplify right side
    18,770.44x = 309,936,423.01
  5. Step 5: Solve for x
    x = 309,936,423.01/18,770.44
  6. Step 6: Final answer
    x = 16,511.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.