Home / 18,085.44-27,132.39-5,604.81

Finding the Fourth Proportional to 18,085.44, 27,132.39 and 5,604.81

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Solution

The fourth proportional to 18,085.44, 27,132.39 and 5,604.81 is: 8,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.44 : 27,132.39 = 5,604.81 : x
  2. Step 2: Convert to fraction form
    18,085.44/27,132.39 = 5,604.81/x
  3. Step 3: Cross multiply
    18,085.44x = 27,132.39 × 5,604.81
  4. Step 4: Simplify right side
    18,085.44x = 152,071,890.80
  5. Step 5: Solve for x
    x = 152,071,890.80/18,085.44
  6. Step 6: Final answer
    x = 8,408.53

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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.