Home / 16,830.82-23,231.37-11,258.02

Finding the Fourth Proportional to 16,830.82, 23,231.37 and 11,258.02

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Solution

The fourth proportional to 16,830.82, 23,231.37 and 11,258.02 is: 15,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.82 : 23,231.37 = 11,258.02 : x
  2. Step 2: Convert to fraction form
    16,830.82/23,231.37 = 11,258.02/x
  3. Step 3: Cross multiply
    16,830.82x = 23,231.37 × 11,258.02
  4. Step 4: Simplify right side
    16,830.82x = 261,539,228.09
  5. Step 5: Solve for x
    x = 261,539,228.09/16,830.82
  6. Step 6: Final answer
    x = 15,539.30

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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.