Home / 18,450.12-27,683.31-9,682.92

Finding the Fourth Proportional to 18,450.12, 27,683.31 and 9,682.92

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Solution

The fourth proportional to 18,450.12, 27,683.31 and 9,682.92 is: 14,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.12 : 27,683.31 = 9,682.92 : x
  2. Step 2: Convert to fraction form
    18,450.12/27,683.31 = 9,682.92/x
  3. Step 3: Cross multiply
    18,450.12x = 27,683.31 × 9,682.92
  4. Step 4: Simplify right side
    18,450.12x = 268,055,276.07
  5. Step 5: Solve for x
    x = 268,055,276.07/18,450.12
  6. Step 6: Final answer
    x = 14,528.65

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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.