Home / 22,296.42-30,769.38-13,344.30

Finding the Fourth Proportional to 22,296.42, 30,769.38 and 13,344.30

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Solution

The fourth proportional to 22,296.42, 30,769.38 and 13,344.30 is: 18,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.42 : 30,769.38 = 13,344.30 : x
  2. Step 2: Convert to fraction form
    22,296.42/30,769.38 = 13,344.30/x
  3. Step 3: Cross multiply
    22,296.42x = 30,769.38 × 13,344.30
  4. Step 4: Simplify right side
    22,296.42x = 410,595,837.53
  5. Step 5: Solve for x
    x = 410,595,837.53/22,296.42
  6. Step 6: Final answer
    x = 18,415.33

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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.