Home / 15,048.23-20,766.83-8,333.64

Finding the Fourth Proportional to 15,048.23, 20,766.83 and 8,333.64

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Solution

The fourth proportional to 15,048.23, 20,766.83 and 8,333.64 is: 11,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.23 : 20,766.83 = 8,333.64 : x
  2. Step 2: Convert to fraction form
    15,048.23/20,766.83 = 8,333.64/x
  3. Step 3: Cross multiply
    15,048.23x = 20,766.83 × 8,333.64
  4. Step 4: Simplify right side
    15,048.23x = 173,063,243.49
  5. Step 5: Solve for x
    x = 173,063,243.49/15,048.23
  6. Step 6: Final answer
    x = 11,500.58

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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.