Home / 26,836.90-40,255.72-8,117.08

Finding the Fourth Proportional to 26,836.90, 40,255.72 and 8,117.08

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Solution

The fourth proportional to 26,836.90, 40,255.72 and 8,117.08 is: 12,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,836.90 : 40,255.72 = 8,117.08 : x
  2. Step 2: Convert to fraction form
    26,836.90/40,255.72 = 8,117.08/x
  3. Step 3: Cross multiply
    26,836.90x = 40,255.72 × 8,117.08
  4. Step 4: Simplify right side
    26,836.90x = 326,758,899.70
  5. Step 5: Solve for x
    x = 326,758,899.70/26,836.90
  6. Step 6: Final answer
    x = 12,175.73

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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.