Home / 33,112.35-45,683.87-18,770.64

Finding the Fourth Proportional to 33,112.35, 45,683.87 and 18,770.64

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Solution

The fourth proportional to 33,112.35, 45,683.87 and 18,770.64 is: 25,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.35 : 45,683.87 = 18,770.64 : x
  2. Step 2: Convert to fraction form
    33,112.35/45,683.87 = 18,770.64/x
  3. Step 3: Cross multiply
    33,112.35x = 45,683.87 × 18,770.64
  4. Step 4: Simplify right side
    33,112.35x = 857,515,383.72
  5. Step 5: Solve for x
    x = 857,515,383.72/33,112.35
  6. Step 6: Final answer
    x = 25,897.15

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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.