Home / 26,938.97-40,408.44-12,152.12

Finding the Fourth Proportional to 26,938.97, 40,408.44 and 12,152.12

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Solution

The fourth proportional to 26,938.97, 40,408.44 and 12,152.12 is: 18,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,938.97 : 40,408.44 = 12,152.12 : x
  2. Step 2: Convert to fraction form
    26,938.97/40,408.44 = 12,152.12/x
  3. Step 3: Cross multiply
    26,938.97x = 40,408.44 × 12,152.12
  4. Step 4: Simplify right side
    26,938.97x = 491,048,009.85
  5. Step 5: Solve for x
    x = 491,048,009.85/26,938.97
  6. Step 6: Final answer
    x = 18,228.17

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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.