Home / 18,792.43-28,164.24-14,075.39

Finding the Fourth Proportional to 18,792.43, 28,164.24 and 14,075.39

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Solution

The fourth proportional to 18,792.43, 28,164.24 and 14,075.39 is: 21,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.43 : 28,164.24 = 14,075.39 : x
  2. Step 2: Convert to fraction form
    18,792.43/28,164.24 = 14,075.39/x
  3. Step 3: Cross multiply
    18,792.43x = 28,164.24 × 14,075.39
  4. Step 4: Simplify right side
    18,792.43x = 396,422,732.46
  5. Step 5: Solve for x
    x = 396,422,732.46/18,792.43
  6. Step 6: Final answer
    x = 21,094.81

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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.