Home / 22,133.44-30,573.96-20,558.80

Finding the Fourth Proportional to 22,133.44, 30,573.96 and 20,558.80

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Solution

The fourth proportional to 22,133.44, 30,573.96 and 20,558.80 is: 28,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.44 : 30,573.96 = 20,558.80 : x
  2. Step 2: Convert to fraction form
    22,133.44/30,573.96 = 20,558.80/x
  3. Step 3: Cross multiply
    22,133.44x = 30,573.96 × 20,558.80
  4. Step 4: Simplify right side
    22,133.44x = 628,563,928.85
  5. Step 5: Solve for x
    x = 628,563,928.85/22,133.44
  6. Step 6: Final answer
    x = 28,398.84

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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.