Home / 16,804.85-25,199.97-5,115.33

Finding the Fourth Proportional to 16,804.85, 25,199.97 and 5,115.33

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Solution

The fourth proportional to 16,804.85, 25,199.97 and 5,115.33 is: 7,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.85 : 25,199.97 = 5,115.33 : x
  2. Step 2: Convert to fraction form
    16,804.85/25,199.97 = 5,115.33/x
  3. Step 3: Cross multiply
    16,804.85x = 25,199.97 × 5,115.33
  4. Step 4: Simplify right side
    16,804.85x = 128,906,162.54
  5. Step 5: Solve for x
    x = 128,906,162.54/16,804.85
  6. Step 6: Final answer
    x = 7,670.77

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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.