Home / 16,718.94-23,072.09-9,165.59

Finding the Fourth Proportional to 16,718.94, 23,072.09 and 9,165.59

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Solution

The fourth proportional to 16,718.94, 23,072.09 and 9,165.59 is: 12,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.94 : 23,072.09 = 9,165.59 : x
  2. Step 2: Convert to fraction form
    16,718.94/23,072.09 = 9,165.59/x
  3. Step 3: Cross multiply
    16,718.94x = 23,072.09 × 9,165.59
  4. Step 4: Simplify right side
    16,718.94x = 211,469,156.19
  5. Step 5: Solve for x
    x = 211,469,156.19/16,718.94
  6. Step 6: Final answer
    x = 12,648.48

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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.