Home / 18,233.30-27,354.57-5,085.66

Finding the Fourth Proportional to 18,233.30, 27,354.57 and 5,085.66

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Solution

The fourth proportional to 18,233.30, 27,354.57 and 5,085.66 is: 7,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.30 : 27,354.57 = 5,085.66 : x
  2. Step 2: Convert to fraction form
    18,233.30/27,354.57 = 5,085.66/x
  3. Step 3: Cross multiply
    18,233.30x = 27,354.57 × 5,085.66
  4. Step 4: Simplify right side
    18,233.30x = 139,116,125.97
  5. Step 5: Solve for x
    x = 139,116,125.97/18,233.30
  6. Step 6: Final answer
    x = 7,629.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.