Home / 22,756.37-31,403.97-13,198.23

Finding the Fourth Proportional to 22,756.37, 31,403.97 and 13,198.23

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Solution

The fourth proportional to 22,756.37, 31,403.97 and 13,198.23 is: 18,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,756.37 : 31,403.97 = 13,198.23 : x
  2. Step 2: Convert to fraction form
    22,756.37/31,403.97 = 13,198.23/x
  3. Step 3: Cross multiply
    22,756.37x = 31,403.97 × 13,198.23
  4. Step 4: Simplify right side
    22,756.37x = 414,476,818.97
  5. Step 5: Solve for x
    x = 414,476,818.97/22,756.37
  6. Step 6: Final answer
    x = 18,213.67

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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.