Home / 20,180.74-30,273.75-6,667.42

Finding the Fourth Proportional to 20,180.74, 30,273.75 and 6,667.42

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Solution

The fourth proportional to 20,180.74, 30,273.75 and 6,667.42 is: 10,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.74 : 30,273.75 = 6,667.42 : x
  2. Step 2: Convert to fraction form
    20,180.74/30,273.75 = 6,667.42/x
  3. Step 3: Cross multiply
    20,180.74x = 30,273.75 × 6,667.42
  4. Step 4: Simplify right side
    20,180.74x = 201,847,776.72
  5. Step 5: Solve for x
    x = 201,847,776.72/20,180.74
  6. Step 6: Final answer
    x = 10,002.00

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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.