Home / 20,113.22-27,704.40-16,922.64

Finding the Fourth Proportional to 20,113.22, 27,704.40 and 16,922.64

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Solution

The fourth proportional to 20,113.22, 27,704.40 and 16,922.64 is: 23,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.22 : 27,704.40 = 16,922.64 : x
  2. Step 2: Convert to fraction form
    20,113.22/27,704.40 = 16,922.64/x
  3. Step 3: Cross multiply
    20,113.22x = 27,704.40 × 16,922.64
  4. Step 4: Simplify right side
    20,113.22x = 468,831,587.62
  5. Step 5: Solve for x
    x = 468,831,587.62/20,113.22
  6. Step 6: Final answer
    x = 23,309.62

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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.