Home / 20,305.27-30,384.09-16,762.33

Finding the Fourth Proportional to 20,305.27, 30,384.09 and 16,762.33

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Solution

The fourth proportional to 20,305.27, 30,384.09 and 16,762.33 is: 25,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,305.27 : 30,384.09 = 16,762.33 : x
  2. Step 2: Convert to fraction form
    20,305.27/30,384.09 = 16,762.33/x
  3. Step 3: Cross multiply
    20,305.27x = 30,384.09 × 16,762.33
  4. Step 4: Simplify right side
    20,305.27x = 509,308,067.37
  5. Step 5: Solve for x
    x = 509,308,067.37/20,305.27
  6. Step 6: Final answer
    x = 25,082.56

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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.