Home / 19,170.45-26,453.36-14,137.38

Finding the Fourth Proportional to 19,170.45, 26,453.36 and 14,137.38

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Solution

The fourth proportional to 19,170.45, 26,453.36 and 14,137.38 is: 19,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.45 : 26,453.36 = 14,137.38 : x
  2. Step 2: Convert to fraction form
    19,170.45/26,453.36 = 14,137.38/x
  3. Step 3: Cross multiply
    19,170.45x = 26,453.36 × 14,137.38
  4. Step 4: Simplify right side
    19,170.45x = 373,981,202.60
  5. Step 5: Solve for x
    x = 373,981,202.60/19,170.45
  6. Step 6: Final answer
    x = 19,508.21

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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.