Home / 19,006.89-28,514.99-13,395.51

Finding the Fourth Proportional to 19,006.89, 28,514.99 and 13,395.51

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Solution

The fourth proportional to 19,006.89, 28,514.99 and 13,395.51 is: 20,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.89 : 28,514.99 = 13,395.51 : x
  2. Step 2: Convert to fraction form
    19,006.89/28,514.99 = 13,395.51/x
  3. Step 3: Cross multiply
    19,006.89x = 28,514.99 × 13,395.51
  4. Step 4: Simplify right side
    19,006.89x = 381,972,766.72
  5. Step 5: Solve for x
    x = 381,972,766.72/19,006.89
  6. Step 6: Final answer
    x = 20,096.54

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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.