Home / 20,157.66-27,725.10-16,170.03

Finding the Fourth Proportional to 20,157.66, 27,725.10 and 16,170.03

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Solution

The fourth proportional to 20,157.66, 27,725.10 and 16,170.03 is: 22,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157.66 : 27,725.10 = 16,170.03 : x
  2. Step 2: Convert to fraction form
    20,157.66/27,725.10 = 16,170.03/x
  3. Step 3: Cross multiply
    20,157.66x = 27,725.10 × 16,170.03
  4. Step 4: Simplify right side
    20,157.66x = 448,315,698.75
  5. Step 5: Solve for x
    x = 448,315,698.75/20,157.66
  6. Step 6: Final answer
    x = 22,240.46

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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.