Home / 17,915.75-26,874.23-6,820.77

Finding the Fourth Proportional to 17,915.75, 26,874.23 and 6,820.77

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Solution

The fourth proportional to 17,915.75, 26,874.23 and 6,820.77 is: 10,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.75 : 26,874.23 = 6,820.77 : x
  2. Step 2: Convert to fraction form
    17,915.75/26,874.23 = 6,820.77/x
  3. Step 3: Cross multiply
    17,915.75x = 26,874.23 × 6,820.77
  4. Step 4: Simplify right side
    17,915.75x = 183,302,907.65
  5. Step 5: Solve for x
    x = 183,302,907.65/17,915.75
  6. Step 6: Final answer
    x = 10,231.39

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1.5x scale

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.