Home / 17,170.65-25,733.43-12,442.68

Finding the Fourth Proportional to 17,170.65, 25,733.43 and 12,442.68

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Solution

The fourth proportional to 17,170.65, 25,733.43 and 12,442.68 is: 18,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.65 : 25,733.43 = 12,442.68 : x
  2. Step 2: Convert to fraction form
    17,170.65/25,733.43 = 12,442.68/x
  3. Step 3: Cross multiply
    17,170.65x = 25,733.43 × 12,442.68
  4. Step 4: Simplify right side
    17,170.65x = 320,192,834.79
  5. Step 5: Solve for x
    x = 320,192,834.79/17,170.65
  6. Step 6: Final answer
    x = 18,647.68

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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.