Home / 19,194.78-28,738.40-14,500.02

Finding the Fourth Proportional to 19,194.78, 28,738.40 and 14,500.02

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Solution

The fourth proportional to 19,194.78, 28,738.40 and 14,500.02 is: 21,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.78 : 28,738.40 = 14,500.02 : x
  2. Step 2: Convert to fraction form
    19,194.78/28,738.40 = 14,500.02/x
  3. Step 3: Cross multiply
    19,194.78x = 28,738.40 × 14,500.02
  4. Step 4: Simplify right side
    19,194.78x = 416,707,302.27
  5. Step 5: Solve for x
    x = 416,707,302.27/19,194.78
  6. Step 6: Final answer
    x = 21,709.41

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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.