Home / 27,181.43-37,493.11-19,638.85

Finding the Fourth Proportional to 27,181.43, 37,493.11 and 19,638.85

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Solution

The fourth proportional to 27,181.43, 37,493.11 and 19,638.85 is: 27,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.43 : 37,493.11 = 19,638.85 : x
  2. Step 2: Convert to fraction form
    27,181.43/37,493.11 = 19,638.85/x
  3. Step 3: Cross multiply
    27,181.43x = 37,493.11 × 19,638.85
  4. Step 4: Simplify right side
    27,181.43x = 736,321,563.32
  5. Step 5: Solve for x
    x = 736,321,563.32/27,181.43
  6. Step 6: Final answer
    x = 27,089.14

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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.