Home / 19,193.38-28,768.23-11,680.37

Finding the Fourth Proportional to 19,193.38, 28,768.23 and 11,680.37

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Solution

The fourth proportional to 19,193.38, 28,768.23 and 11,680.37 is: 17,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.38 : 28,768.23 = 11,680.37 : x
  2. Step 2: Convert to fraction form
    19,193.38/28,768.23 = 11,680.37/x
  3. Step 3: Cross multiply
    19,193.38x = 28,768.23 × 11,680.37
  4. Step 4: Simplify right side
    19,193.38x = 336,023,426.80
  5. Step 5: Solve for x
    x = 336,023,426.80/19,193.38
  6. Step 6: Final answer
    x = 17,507.26

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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.