Home / 18,109.21-24,995.94-11,735.58

Finding the Fourth Proportional to 18,109.21, 24,995.94 and 11,735.58

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Solution

The fourth proportional to 18,109.21, 24,995.94 and 11,735.58 is: 16,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.21 : 24,995.94 = 11,735.58 : x
  2. Step 2: Convert to fraction form
    18,109.21/24,995.94 = 11,735.58/x
  3. Step 3: Cross multiply
    18,109.21x = 24,995.94 × 11,735.58
  4. Step 4: Simplify right side
    18,109.21x = 293,341,853.55
  5. Step 5: Solve for x
    x = 293,341,853.55/18,109.21
  6. Step 6: Final answer
    x = 16,198.49

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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.