Home / 20,199.24-27,867.41-20,168.05

Finding the Fourth Proportional to 20,199.24, 27,867.41 and 20,168.05

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Solution

The fourth proportional to 20,199.24, 27,867.41 and 20,168.05 is: 27,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.24 : 27,867.41 = 20,168.05 : x
  2. Step 2: Convert to fraction form
    20,199.24/27,867.41 = 20,168.05/x
  3. Step 3: Cross multiply
    20,199.24x = 27,867.41 × 20,168.05
  4. Step 4: Simplify right side
    20,199.24x = 562,031,217.41
  5. Step 5: Solve for x
    x = 562,031,217.41/20,199.24
  6. Step 6: Final answer
    x = 27,824.38

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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.