Home / 21,684.09-32,525.97-11,157.06

Finding the Fourth Proportional to 21,684.09, 32,525.97 and 11,157.06

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Solution

The fourth proportional to 21,684.09, 32,525.97 and 11,157.06 is: 16,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.09 : 32,525.97 = 11,157.06 : x
  2. Step 2: Convert to fraction form
    21,684.09/32,525.97 = 11,157.06/x
  3. Step 3: Cross multiply
    21,684.09x = 32,525.97 × 11,157.06
  4. Step 4: Simplify right side
    21,684.09x = 362,894,198.85
  5. Step 5: Solve for x
    x = 362,894,198.85/21,684.09
  6. Step 6: Final answer
    x = 16,735.51

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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.