Home / 20,708.01-28,576.08-11,754.33

Finding the Fourth Proportional to 20,708.01, 28,576.08 and 11,754.33

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Solution

The fourth proportional to 20,708.01, 28,576.08 and 11,754.33 is: 16,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708.01 : 28,576.08 = 11,754.33 : x
  2. Step 2: Convert to fraction form
    20,708.01/28,576.08 = 11,754.33/x
  3. Step 3: Cross multiply
    20,708.01x = 28,576.08 × 11,754.33
  4. Step 4: Simplify right side
    20,708.01x = 335,892,674.43
  5. Step 5: Solve for x
    x = 335,892,674.43/20,708.01
  6. Step 6: Final answer
    x = 16,220.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.