Home / 20,481.66-30,693.62-16,303.08

Finding the Fourth Proportional to 20,481.66, 30,693.62 and 16,303.08

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Solution

The fourth proportional to 20,481.66, 30,693.62 and 16,303.08 is: 24,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,481.66 : 30,693.62 = 16,303.08 : x
  2. Step 2: Convert to fraction form
    20,481.66/30,693.62 = 16,303.08/x
  3. Step 3: Cross multiply
    20,481.66x = 30,693.62 × 16,303.08
  4. Step 4: Simplify right side
    20,481.66x = 500,400,542.35
  5. Step 5: Solve for x
    x = 500,400,542.35/20,481.66
  6. Step 6: Final answer
    x = 24,431.64

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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.