Home / 20,616.12-30,922.56-5,824.44

Finding the Fourth Proportional to 20,616.12, 30,922.56 and 5,824.44

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Solution

The fourth proportional to 20,616.12, 30,922.56 and 5,824.44 is: 8,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.12 : 30,922.56 = 5,824.44 : x
  2. Step 2: Convert to fraction form
    20,616.12/30,922.56 = 5,824.44/x
  3. Step 3: Cross multiply
    20,616.12x = 30,922.56 × 5,824.44
  4. Step 4: Simplify right side
    20,616.12x = 180,106,595.37
  5. Step 5: Solve for x
    x = 180,106,595.37/20,616.12
  6. Step 6: Final answer
    x = 8,736.20

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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.