Home / 18,879.82-26,043.39-11,706.46

Finding the Fourth Proportional to 18,879.82, 26,043.39 and 11,706.46

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Solution

The fourth proportional to 18,879.82, 26,043.39 and 11,706.46 is: 16,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,879.82 : 26,043.39 = 11,706.46 : x
  2. Step 2: Convert to fraction form
    18,879.82/26,043.39 = 11,706.46/x
  3. Step 3: Cross multiply
    18,879.82x = 26,043.39 × 11,706.46
  4. Step 4: Simplify right side
    18,879.82x = 304,875,903.30
  5. Step 5: Solve for x
    x = 304,875,903.30/18,879.82
  6. Step 6: Final answer
    x = 16,148.24

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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.