Home / 18,668.75-25,795.67-14,922.84

Finding the Fourth Proportional to 18,668.75, 25,795.67 and 14,922.84

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Solution

The fourth proportional to 18,668.75, 25,795.67 and 14,922.84 is: 20,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.75 : 25,795.67 = 14,922.84 : x
  2. Step 2: Convert to fraction form
    18,668.75/25,795.67 = 14,922.84/x
  3. Step 3: Cross multiply
    18,668.75x = 25,795.67 × 14,922.84
  4. Step 4: Simplify right side
    18,668.75x = 384,944,581.49
  5. Step 5: Solve for x
    x = 384,944,581.49/18,668.75
  6. Step 6: Final answer
    x = 20,619.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.