Home / 12,448.40-18,694.20-12,059.60

Finding the Fourth Proportional to 12,448.40, 18,694.20 and 12,059.60

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Solution

The fourth proportional to 12,448.40, 18,694.20 and 12,059.60 is: 18,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.40 : 18,694.20 = 12,059.60 : x
  2. Step 2: Convert to fraction form
    12,448.40/18,694.20 = 12,059.60/x
  3. Step 3: Cross multiply
    12,448.40x = 18,694.20 × 12,059.60
  4. Step 4: Simplify right side
    12,448.40x = 225,444,574.32
  5. Step 5: Solve for x
    x = 225,444,574.32/12,448.40
  6. Step 6: Final answer
    x = 18,110.33

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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.