Home / 17,916.29-26,844.51-12,642.58

Finding the Fourth Proportional to 17,916.29, 26,844.51 and 12,642.58

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Solution

The fourth proportional to 17,916.29, 26,844.51 and 12,642.58 is: 18,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.29 : 26,844.51 = 12,642.58 : x
  2. Step 2: Convert to fraction form
    17,916.29/26,844.51 = 12,642.58/x
  3. Step 3: Cross multiply
    17,916.29x = 26,844.51 × 12,642.58
  4. Step 4: Simplify right side
    17,916.29x = 339,383,865.24
  5. Step 5: Solve for x
    x = 339,383,865.24/17,916.29
  6. Step 6: Final answer
    x = 18,942.75

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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.