Home / 18,085.48-27,132.36-6,992.26

Finding the Fourth Proportional to 18,085.48, 27,132.36 and 6,992.26

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Solution

The fourth proportional to 18,085.48, 27,132.36 and 6,992.26 is: 10,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.48 : 27,132.36 = 6,992.26 : x
  2. Step 2: Convert to fraction form
    18,085.48/27,132.36 = 6,992.26/x
  3. Step 3: Cross multiply
    18,085.48x = 27,132.36 × 6,992.26
  4. Step 4: Simplify right side
    18,085.48x = 189,716,515.53
  5. Step 5: Solve for x
    x = 189,716,515.53/18,085.48
  6. Step 6: Final answer
    x = 10,489.99

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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.