Home / 19,116.41-28,642.25-11,705.39

Finding the Fourth Proportional to 19,116.41, 28,642.25 and 11,705.39

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Solution

The fourth proportional to 19,116.41, 28,642.25 and 11,705.39 is: 17,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.41 : 28,642.25 = 11,705.39 : x
  2. Step 2: Convert to fraction form
    19,116.41/28,642.25 = 11,705.39/x
  3. Step 3: Cross multiply
    19,116.41x = 28,642.25 × 11,705.39
  4. Step 4: Simplify right side
    19,116.41x = 335,268,706.73
  5. Step 5: Solve for x
    x = 335,268,706.73/19,116.41
  6. Step 6: Final answer
    x = 17,538.27

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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.