Home / 18,085.32-27,121.68-8,596.50

Finding the Fourth Proportional to 18,085.32, 27,121.68 and 8,596.50

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Solution

The fourth proportional to 18,085.32, 27,121.68 and 8,596.50 is: 12,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.32 : 27,121.68 = 8,596.50 : x
  2. Step 2: Convert to fraction form
    18,085.32/27,121.68 = 8,596.50/x
  3. Step 3: Cross multiply
    18,085.32x = 27,121.68 × 8,596.50
  4. Step 4: Simplify right side
    18,085.32x = 233,151,522.12
  5. Step 5: Solve for x
    x = 233,151,522.12/18,085.32
  6. Step 6: Final answer
    x = 12,891.76

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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.