Home / 20,461.26-30,669.84-9,908.94

Finding the Fourth Proportional to 20,461.26, 30,669.84 and 9,908.94

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Solution

The fourth proportional to 20,461.26, 30,669.84 and 9,908.94 is: 14,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461.26 : 30,669.84 = 9,908.94 : x
  2. Step 2: Convert to fraction form
    20,461.26/30,669.84 = 9,908.94/x
  3. Step 3: Cross multiply
    20,461.26x = 30,669.84 × 9,908.94
  4. Step 4: Simplify right side
    20,461.26x = 303,905,604.37
  5. Step 5: Solve for x
    x = 303,905,604.37/20,461.26
  6. Step 6: Final answer
    x = 14,852.73

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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.