Home / 18,085.06-27,104.50-15,735.25

Finding the Fourth Proportional to 18,085.06, 27,104.50 and 15,735.25

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Solution

The fourth proportional to 18,085.06, 27,104.50 and 15,735.25 is: 23,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.06 : 27,104.50 = 15,735.25 : x
  2. Step 2: Convert to fraction form
    18,085.06/27,104.50 = 15,735.25/x
  3. Step 3: Cross multiply
    18,085.06x = 27,104.50 × 15,735.25
  4. Step 4: Simplify right side
    18,085.06x = 426,496,083.63
  5. Step 5: Solve for x
    x = 426,496,083.63/18,085.06
  6. Step 6: Final answer
    x = 23,582.79

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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.