Home / 27,515.95-41,258.43-8,791.60

Finding the Fourth Proportional to 27,515.95, 41,258.43 and 8,791.60

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Solution

The fourth proportional to 27,515.95, 41,258.43 and 8,791.60 is: 13,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.95 : 41,258.43 = 8,791.60 : x
  2. Step 2: Convert to fraction form
    27,515.95/41,258.43 = 8,791.60/x
  3. Step 3: Cross multiply
    27,515.95x = 41,258.43 × 8,791.60
  4. Step 4: Simplify right side
    27,515.95x = 362,727,613.19
  5. Step 5: Solve for x
    x = 362,727,613.19/27,515.95
  6. Step 6: Final answer
    x = 13,182.45

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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.