Home / 26,613.93-39,928.60-7,894.41

Finding the Fourth Proportional to 26,613.93, 39,928.60 and 7,894.41

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Solution

The fourth proportional to 26,613.93, 39,928.60 and 7,894.41 is: 11,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.93 : 39,928.60 = 7,894.41 : x
  2. Step 2: Convert to fraction form
    26,613.93/39,928.60 = 7,894.41/x
  3. Step 3: Cross multiply
    26,613.93x = 39,928.60 × 7,894.41
  4. Step 4: Simplify right side
    26,613.93x = 315,212,779.45
  5. Step 5: Solve for x
    x = 315,212,779.45/26,613.93
  6. Step 6: Final answer
    x = 11,843.90

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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.