Home / 16,872.44-23,283.59-9,215.46

Finding the Fourth Proportional to 16,872.44, 23,283.59 and 9,215.46

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Solution

The fourth proportional to 16,872.44, 23,283.59 and 9,215.46 is: 12,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.44 : 23,283.59 = 9,215.46 : x
  2. Step 2: Convert to fraction form
    16,872.44/23,283.59 = 9,215.46/x
  3. Step 3: Cross multiply
    16,872.44x = 23,283.59 × 9,215.46
  4. Step 4: Simplify right side
    16,872.44x = 214,568,998.06
  5. Step 5: Solve for x
    x = 214,568,998.06/16,872.44
  6. Step 6: Final answer
    x = 12,717.13

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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.