Home / 22,296.44-30,770.03-13,342.21

Finding the Fourth Proportional to 22,296.44, 30,770.03 and 13,342.21

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Solution

The fourth proportional to 22,296.44, 30,770.03 and 13,342.21 is: 18,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.44 : 30,770.03 = 13,342.21 : x
  2. Step 2: Convert to fraction form
    22,296.44/30,770.03 = 13,342.21/x
  3. Step 3: Cross multiply
    22,296.44x = 30,770.03 × 13,342.21
  4. Step 4: Simplify right side
    22,296.44x = 410,540,158.40
  5. Step 5: Solve for x
    x = 410,540,158.40/22,296.44
  6. Step 6: Final answer
    x = 18,412.81

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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.