Home / 26,618.69-39,919.79-8,845.56

Finding the Fourth Proportional to 26,618.69, 39,919.79 and 8,845.56

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Solution

The fourth proportional to 26,618.69, 39,919.79 and 8,845.56 is: 13,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.69 : 39,919.79 = 8,845.56 : x
  2. Step 2: Convert to fraction form
    26,618.69/39,919.79 = 8,845.56/x
  3. Step 3: Cross multiply
    26,618.69x = 39,919.79 × 8,845.56
  4. Step 4: Simplify right side
    26,618.69x = 353,112,919.75
  5. Step 5: Solve for x
    x = 353,112,919.75/26,618.69
  6. Step 6: Final answer
    x = 13,265.60

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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.