Home / 18,817.58-28,224.20-4,967.66

Finding the Fourth Proportional to 18,817.58, 28,224.20 and 4,967.66

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Solution

The fourth proportional to 18,817.58, 28,224.20 and 4,967.66 is: 7,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.58 : 28,224.20 = 4,967.66 : x
  2. Step 2: Convert to fraction form
    18,817.58/28,224.20 = 4,967.66/x
  3. Step 3: Cross multiply
    18,817.58x = 28,224.20 × 4,967.66
  4. Step 4: Simplify right side
    18,817.58x = 140,208,229.37
  5. Step 5: Solve for x
    x = 140,208,229.37/18,817.58
  6. Step 6: Final answer
    x = 7,450.92

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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.