Home / 27,949.55-38,566.87-18,894.61

Finding the Fourth Proportional to 27,949.55, 38,566.87 and 18,894.61

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Solution

The fourth proportional to 27,949.55, 38,566.87 and 18,894.61 is: 26,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.55 : 38,566.87 = 18,894.61 : x
  2. Step 2: Convert to fraction form
    27,949.55/38,566.87 = 18,894.61/x
  3. Step 3: Cross multiply
    27,949.55x = 38,566.87 × 18,894.61
  4. Step 4: Simplify right side
    27,949.55x = 728,705,680.26
  5. Step 5: Solve for x
    x = 728,705,680.26/27,949.55
  6. Step 6: Final answer
    x = 26,072.18

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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.