Home / 25,355.22-34,979.49-16,974.42

Finding the Fourth Proportional to 25,355.22, 34,979.49 and 16,974.42

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Solution

The fourth proportional to 25,355.22, 34,979.49 and 16,974.42 is: 23,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.22 : 34,979.49 = 16,974.42 : x
  2. Step 2: Convert to fraction form
    25,355.22/34,979.49 = 16,974.42/x
  3. Step 3: Cross multiply
    25,355.22x = 34,979.49 × 16,974.42
  4. Step 4: Simplify right side
    25,355.22x = 593,756,554.65
  5. Step 5: Solve for x
    x = 593,756,554.65/25,355.22
  6. Step 6: Final answer
    x = 23,417.53

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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.