Home / 26,847.74-40,255.71-8,122.10

Finding the Fourth Proportional to 26,847.74, 40,255.71 and 8,122.10

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Solution

The fourth proportional to 26,847.74, 40,255.71 and 8,122.10 is: 12,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,847.74 : 40,255.71 = 8,122.10 : x
  2. Step 2: Convert to fraction form
    26,847.74/40,255.71 = 8,122.10/x
  3. Step 3: Cross multiply
    26,847.74x = 40,255.71 × 8,122.10
  4. Step 4: Simplify right side
    26,847.74x = 326,960,902.19
  5. Step 5: Solve for x
    x = 326,960,902.19/26,847.74
  6. Step 6: Final answer
    x = 12,178.34

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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.