Home / 20,034.96-30,054.06-6,887.34

Finding the Fourth Proportional to 20,034.96, 30,054.06 and 6,887.34

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Solution

The fourth proportional to 20,034.96, 30,054.06 and 6,887.34 is: 10,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.96 : 30,054.06 = 6,887.34 : x
  2. Step 2: Convert to fraction form
    20,034.96/30,054.06 = 6,887.34/x
  3. Step 3: Cross multiply
    20,034.96x = 30,054.06 × 6,887.34
  4. Step 4: Simplify right side
    20,034.96x = 206,992,529.60
  5. Step 5: Solve for x
    x = 206,992,529.60/20,034.96
  6. Step 6: Final answer
    x = 10,331.57

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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.