Home / 26,865.36-40,311.66-12,071.22

Finding the Fourth Proportional to 26,865.36, 40,311.66 and 12,071.22

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Solution

The fourth proportional to 26,865.36, 40,311.66 and 12,071.22 is: 18,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.36 : 40,311.66 = 12,071.22 : x
  2. Step 2: Convert to fraction form
    26,865.36/40,311.66 = 12,071.22/x
  3. Step 3: Cross multiply
    26,865.36x = 40,311.66 × 12,071.22
  4. Step 4: Simplify right side
    26,865.36x = 486,610,916.43
  5. Step 5: Solve for x
    x = 486,610,916.43/26,865.36
  6. Step 6: Final answer
    x = 18,112.95

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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.