Home / 26,427.14-39,647.32-18,651.14

Finding the Fourth Proportional to 26,427.14, 39,647.32 and 18,651.14

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Solution

The fourth proportional to 26,427.14, 39,647.32 and 18,651.14 is: 27,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.14 : 39,647.32 = 18,651.14 : x
  2. Step 2: Convert to fraction form
    26,427.14/39,647.32 = 18,651.14/x
  3. Step 3: Cross multiply
    26,427.14x = 39,647.32 × 18,651.14
  4. Step 4: Simplify right side
    26,427.14x = 739,467,715.94
  5. Step 5: Solve for x
    x = 739,467,715.94/26,427.14
  6. Step 6: Final answer
    x = 27,981.38

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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.