Home / 15,049.40-20,766.45-8,333.33

Finding the Fourth Proportional to 15,049.40, 20,766.45 and 8,333.33

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Solution

The fourth proportional to 15,049.40, 20,766.45 and 8,333.33 is: 11,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049.40 : 20,766.45 = 8,333.33 : x
  2. Step 2: Convert to fraction form
    15,049.40/20,766.45 = 8,333.33/x
  3. Step 3: Cross multiply
    15,049.40x = 20,766.45 × 8,333.33
  4. Step 4: Simplify right side
    15,049.40x = 173,053,576.95
  5. Step 5: Solve for x
    x = 173,053,576.95/15,049.40
  6. Step 6: Final answer
    x = 11,499.04

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1.5x scale

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.