Home / 20,181.23-30,276.71-6,330.23

Finding the Fourth Proportional to 20,181.23, 30,276.71 and 6,330.23

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Solution

The fourth proportional to 20,181.23, 30,276.71 and 6,330.23 is: 9,496.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.23 : 30,276.71 = 6,330.23 : x
  2. Step 2: Convert to fraction form
    20,181.23/30,276.71 = 6,330.23/x
  3. Step 3: Cross multiply
    20,181.23x = 30,276.71 × 6,330.23
  4. Step 4: Simplify right side
    20,181.23x = 191,658,680.29
  5. Step 5: Solve for x
    x = 191,658,680.29/20,181.23
  6. Step 6: Final answer
    x = 9,496.88

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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.