Home / 16,828.06-23,222.44-9,171.44

Finding the Fourth Proportional to 16,828.06, 23,222.44 and 9,171.44

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Solution

The fourth proportional to 16,828.06, 23,222.44 and 9,171.44 is: 12,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.06 : 23,222.44 = 9,171.44 : x
  2. Step 2: Convert to fraction form
    16,828.06/23,222.44 = 9,171.44/x
  3. Step 3: Cross multiply
    16,828.06x = 23,222.44 × 9,171.44
  4. Step 4: Simplify right side
    16,828.06x = 212,983,215.11
  5. Step 5: Solve for x
    x = 212,983,215.11/16,828.06
  6. Step 6: Final answer
    x = 12,656.43

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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.