Home / 26,784.20-40,180.55-9,255.39

Finding the Fourth Proportional to 26,784.20, 40,180.55 and 9,255.39

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Solution

The fourth proportional to 26,784.20, 40,180.55 and 9,255.39 is: 13,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,784.20 : 40,180.55 = 9,255.39 : x
  2. Step 2: Convert to fraction form
    26,784.20/40,180.55 = 9,255.39/x
  3. Step 3: Cross multiply
    26,784.20x = 40,180.55 × 9,255.39
  4. Step 4: Simplify right side
    26,784.20x = 371,886,614.39
  5. Step 5: Solve for x
    x = 371,886,614.39/26,784.20
  6. Step 6: Final answer
    x = 13,884.55

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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.