Home / 22,222.22-33,296.56-13,438.98

Finding the Fourth Proportional to 22,222.22, 33,296.56 and 13,438.98

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Solution

The fourth proportional to 22,222.22, 33,296.56 and 13,438.98 is: 20,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.22 : 33,296.56 = 13,438.98 : x
  2. Step 2: Convert to fraction form
    22,222.22/33,296.56 = 13,438.98/x
  3. Step 3: Cross multiply
    22,222.22x = 33,296.56 × 13,438.98
  4. Step 4: Simplify right side
    22,222.22x = 447,471,770.31
  5. Step 5: Solve for x
    x = 447,471,770.31/22,222.22
  6. Step 6: Final answer
    x = 20,136.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.