Home / 20,164.01-30,258.16-7,025.60

Finding the Fourth Proportional to 20,164.01, 30,258.16 and 7,025.60

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Solution

The fourth proportional to 20,164.01, 30,258.16 and 7,025.60 is: 10,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.01 : 30,258.16 = 7,025.60 : x
  2. Step 2: Convert to fraction form
    20,164.01/30,258.16 = 7,025.60/x
  3. Step 3: Cross multiply
    20,164.01x = 30,258.16 × 7,025.60
  4. Step 4: Simplify right side
    20,164.01x = 212,581,786.98
  5. Step 5: Solve for x
    x = 212,581,786.98/20,164.01
  6. Step 6: Final answer
    x = 10,542.64

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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.