Home / 12,550.36-18,825.54-3,785.32

Finding the Fourth Proportional to 12,550.36, 18,825.54 and 3,785.32

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Solution

The fourth proportional to 12,550.36, 18,825.54 and 3,785.32 is: 5,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.36 : 18,825.54 = 3,785.32 : x
  2. Step 2: Convert to fraction form
    12,550.36/18,825.54 = 3,785.32/x
  3. Step 3: Cross multiply
    12,550.36x = 18,825.54 × 3,785.32
  4. Step 4: Simplify right side
    12,550.36x = 71,260,693.07
  5. Step 5: Solve for x
    x = 71,260,693.07/12,550.36
  6. Step 6: Final answer
    x = 5,677.98

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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.