Home / 12,803.77-19,205.66-4,039.37

Finding the Fourth Proportional to 12,803.77, 19,205.66 and 4,039.37

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Solution

The fourth proportional to 12,803.77, 19,205.66 and 4,039.37 is: 6,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.77 : 19,205.66 = 4,039.37 : x
  2. Step 2: Convert to fraction form
    12,803.77/19,205.66 = 4,039.37/x
  3. Step 3: Cross multiply
    12,803.77x = 19,205.66 × 4,039.37
  4. Step 4: Simplify right side
    12,803.77x = 77,578,698.62
  5. Step 5: Solve for x
    x = 77,578,698.62/12,803.77
  6. Step 6: Final answer
    x = 6,059.05

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Similar ratio
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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.