Home / 15,915.67-23,883.23-8,125.09

Finding the Fourth Proportional to 15,915.67, 23,883.23 and 8,125.09

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Solution

The fourth proportional to 15,915.67, 23,883.23 and 8,125.09 is: 12,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.67 : 23,883.23 = 8,125.09 : x
  2. Step 2: Convert to fraction form
    15,915.67/23,883.23 = 8,125.09/x
  3. Step 3: Cross multiply
    15,915.67x = 23,883.23 × 8,125.09
  4. Step 4: Simplify right side
    15,915.67x = 194,053,352.62
  5. Step 5: Solve for x
    x = 194,053,352.62/15,915.67
  6. Step 6: Final answer
    x = 12,192.60

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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.