Home / 16,851.35-25,243.19-8,392.36

Finding the Fourth Proportional to 16,851.35, 25,243.19 and 8,392.36

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Solution

The fourth proportional to 16,851.35, 25,243.19 and 8,392.36 is: 12,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.35 : 25,243.19 = 8,392.36 : x
  2. Step 2: Convert to fraction form
    16,851.35/25,243.19 = 8,392.36/x
  3. Step 3: Cross multiply
    16,851.35x = 25,243.19 × 8,392.36
  4. Step 4: Simplify right side
    16,851.35x = 211,849,938.03
  5. Step 5: Solve for x
    x = 211,849,938.03/16,851.35
  6. Step 6: Final answer
    x = 12,571.69

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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.