Home / 18,672.56-28,012.23-6,192.68

Finding the Fourth Proportional to 18,672.56, 28,012.23 and 6,192.68

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Solution

The fourth proportional to 18,672.56, 28,012.23 and 6,192.68 is: 9,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.56 : 28,012.23 = 6,192.68 : x
  2. Step 2: Convert to fraction form
    18,672.56/28,012.23 = 6,192.68/x
  3. Step 3: Cross multiply
    18,672.56x = 28,012.23 × 6,192.68
  4. Step 4: Simplify right side
    18,672.56x = 173,470,636.42
  5. Step 5: Solve for x
    x = 173,470,636.42/18,672.56
  6. Step 6: Final answer
    x = 9,290.14

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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.