Home / 18,835.94-28,253.92-13,674.62

Finding the Fourth Proportional to 18,835.94, 28,253.92 and 13,674.62

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Solution

The fourth proportional to 18,835.94, 28,253.92 and 13,674.62 is: 20,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.94 : 28,253.92 = 13,674.62 : x
  2. Step 2: Convert to fraction form
    18,835.94/28,253.92 = 13,674.62/x
  3. Step 3: Cross multiply
    18,835.94x = 28,253.92 × 13,674.62
  4. Step 4: Simplify right side
    18,835.94x = 386,361,619.51
  5. Step 5: Solve for x
    x = 386,361,619.51/18,835.94
  6. Step 6: Final answer
    x = 20,511.94

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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.