Home / 18,933.50-28,266.72-14,467.58

Finding the Fourth Proportional to 18,933.50, 28,266.72 and 14,467.58

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Solution

The fourth proportional to 18,933.50, 28,266.72 and 14,467.58 is: 21,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.50 : 28,266.72 = 14,467.58 : x
  2. Step 2: Convert to fraction form
    18,933.50/28,266.72 = 14,467.58/x
  3. Step 3: Cross multiply
    18,933.50x = 28,266.72 × 14,467.58
  4. Step 4: Simplify right side
    18,933.50x = 408,950,891.60
  5. Step 5: Solve for x
    x = 408,950,891.60/18,933.50
  6. Step 6: Final answer
    x = 21,599.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.