Home / 16,906.32-25,356.51-5,219.64

Finding the Fourth Proportional to 16,906.32, 25,356.51 and 5,219.64

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Solution

The fourth proportional to 16,906.32, 25,356.51 and 5,219.64 is: 7,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.32 : 25,356.51 = 5,219.64 : x
  2. Step 2: Convert to fraction form
    16,906.32/25,356.51 = 5,219.64/x
  3. Step 3: Cross multiply
    16,906.32x = 25,356.51 × 5,219.64
  4. Step 4: Simplify right side
    16,906.32x = 132,351,853.86
  5. Step 5: Solve for x
    x = 132,351,853.86/16,906.32
  6. Step 6: Final answer
    x = 7,828.54

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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.