Home / 18,813.33-28,216.35-17,876.70

Finding the Fourth Proportional to 18,813.33, 28,216.35 and 17,876.70

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Solution

The fourth proportional to 18,813.33, 28,216.35 and 17,876.70 is: 26,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.33 : 28,216.35 = 17,876.70 : x
  2. Step 2: Convert to fraction form
    18,813.33/28,216.35 = 17,876.70/x
  3. Step 3: Cross multiply
    18,813.33x = 28,216.35 × 17,876.70
  4. Step 4: Simplify right side
    18,813.33x = 504,415,224.05
  5. Step 5: Solve for x
    x = 504,415,224.05/18,813.33
  6. Step 6: Final answer
    x = 26,811.59

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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.