Home / 15,051.37-20,769.97-8,336.60

Finding the Fourth Proportional to 15,051.37, 20,769.97 and 8,336.60

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Solution

The fourth proportional to 15,051.37, 20,769.97 and 8,336.60 is: 11,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.37 : 20,769.97 = 8,336.60 : x
  2. Step 2: Convert to fraction form
    15,051.37/20,769.97 = 8,336.60/x
  3. Step 3: Cross multiply
    15,051.37x = 20,769.97 × 8,336.60
  4. Step 4: Simplify right side
    15,051.37x = 173,150,983.83
  5. Step 5: Solve for x
    x = 173,150,983.83/15,051.37
  6. Step 6: Final answer
    x = 11,504.00

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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.