Home / 22,122.77-33,106.18-13,806.69

Finding the Fourth Proportional to 22,122.77, 33,106.18 and 13,806.69

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Solution

The fourth proportional to 22,122.77, 33,106.18 and 13,806.69 is: 20,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.77 : 33,106.18 = 13,806.69 : x
  2. Step 2: Convert to fraction form
    22,122.77/33,106.18 = 13,806.69/x
  3. Step 3: Cross multiply
    22,122.77x = 33,106.18 × 13,806.69
  4. Step 4: Simplify right side
    22,122.77x = 457,086,764.34
  5. Step 5: Solve for x
    x = 457,086,764.34/22,122.77
  6. Step 6: Final answer
    x = 20,661.37

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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.