Home / 27,894.12-38,441.96-18,942.00

Finding the Fourth Proportional to 27,894.12, 38,441.96 and 18,942.00

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Solution

The fourth proportional to 27,894.12, 38,441.96 and 18,942.00 is: 26,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.12 : 38,441.96 = 18,942.00 : x
  2. Step 2: Convert to fraction form
    27,894.12/38,441.96 = 18,942.00/x
  3. Step 3: Cross multiply
    27,894.12x = 38,441.96 × 18,942.00
  4. Step 4: Simplify right side
    27,894.12x = 728,167,438.49
  5. Step 5: Solve for x
    x = 728,167,438.49/27,894.12
  6. Step 6: Final answer
    x = 26,104.70

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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.