Home / 22,040.37-30,415.75-11,968.67

Finding the Fourth Proportional to 22,040.37, 30,415.75 and 11,968.67

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Solution

The fourth proportional to 22,040.37, 30,415.75 and 11,968.67 is: 16,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.37 : 30,415.75 = 11,968.67 : x
  2. Step 2: Convert to fraction form
    22,040.37/30,415.75 = 11,968.67/x
  3. Step 3: Cross multiply
    22,040.37x = 30,415.75 × 11,968.67
  4. Step 4: Simplify right side
    22,040.37x = 364,036,074.55
  5. Step 5: Solve for x
    x = 364,036,074.55/22,040.37
  6. Step 6: Final answer
    x = 16,516.79

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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.