Home / 27,450.06-37,842.30-19,489.38

Finding the Fourth Proportional to 27,450.06, 37,842.30 and 19,489.38

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Solution

The fourth proportional to 27,450.06, 37,842.30 and 19,489.38 is: 26,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,450.06 : 37,842.30 = 19,489.38 : x
  2. Step 2: Convert to fraction form
    27,450.06/37,842.30 = 19,489.38/x
  3. Step 3: Cross multiply
    27,450.06x = 37,842.30 × 19,489.38
  4. Step 4: Simplify right side
    27,450.06x = 737,522,964.77
  5. Step 5: Solve for x
    x = 737,522,964.77/27,450.06
  6. Step 6: Final answer
    x = 26,867.81

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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.