Home / 20,052.12-30,072.62-6,900.96

Finding the Fourth Proportional to 20,052.12, 30,072.62 and 6,900.96

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Solution

The fourth proportional to 20,052.12, 30,072.62 and 6,900.96 is: 10,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.12 : 30,072.62 = 6,900.96 : x
  2. Step 2: Convert to fraction form
    20,052.12/30,072.62 = 6,900.96/x
  3. Step 3: Cross multiply
    20,052.12x = 30,072.62 × 6,900.96
  4. Step 4: Simplify right side
    20,052.12x = 207,529,947.72
  5. Step 5: Solve for x
    x = 207,529,947.72/20,052.12
  6. Step 6: Final answer
    x = 10,349.53

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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.