Home / 20,851.37-31,269.68-6,057.21

Finding the Fourth Proportional to 20,851.37, 31,269.68 and 6,057.21

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Solution

The fourth proportional to 20,851.37, 31,269.68 and 6,057.21 is: 9,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851.37 : 31,269.68 = 6,057.21 : x
  2. Step 2: Convert to fraction form
    20,851.37/31,269.68 = 6,057.21/x
  3. Step 3: Cross multiply
    20,851.37x = 31,269.68 × 6,057.21
  4. Step 4: Simplify right side
    20,851.37x = 189,407,018.39
  5. Step 5: Solve for x
    x = 189,407,018.39/20,851.37
  6. Step 6: Final answer
    x = 9,083.67

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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.