Home / 26,922.38-37,140.12-18,968.99

Finding the Fourth Proportional to 26,922.38, 37,140.12 and 18,968.99

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Solution

The fourth proportional to 26,922.38, 37,140.12 and 18,968.99 is: 26,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.38 : 37,140.12 = 18,968.99 : x
  2. Step 2: Convert to fraction form
    26,922.38/37,140.12 = 18,968.99/x
  3. Step 3: Cross multiply
    26,922.38x = 37,140.12 × 18,968.99
  4. Step 4: Simplify right side
    26,922.38x = 704,510,379.18
  5. Step 5: Solve for x
    x = 704,510,379.18/26,922.38
  6. Step 6: Final answer
    x = 26,168.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.