Home / 22,065.42-30,449.38-11,993.62

Finding the Fourth Proportional to 22,065.42, 30,449.38 and 11,993.62

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Solution

The fourth proportional to 22,065.42, 30,449.38 and 11,993.62 is: 16,550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.42 : 30,449.38 = 11,993.62 : x
  2. Step 2: Convert to fraction form
    22,065.42/30,449.38 = 11,993.62/x
  3. Step 3: Cross multiply
    22,065.42x = 30,449.38 × 11,993.62
  4. Step 4: Simplify right side
    22,065.42x = 365,198,292.96
  5. Step 5: Solve for x
    x = 365,198,292.96/22,065.42
  6. Step 6: Final answer
    x = 16,550.71

Related Problems

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Half scale
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Double scale
Find fourth proportional to 22,066.42, 30,450.76 and 11,994.62
Similar ratio
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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.