Home / 18,605.85-25,668.83-10,537.65

Finding the Fourth Proportional to 18,605.85, 25,668.83 and 10,537.65

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Solution

The fourth proportional to 18,605.85, 25,668.83 and 10,537.65 is: 14,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.85 : 25,668.83 = 10,537.65 : x
  2. Step 2: Convert to fraction form
    18,605.85/25,668.83 = 10,537.65/x
  3. Step 3: Cross multiply
    18,605.85x = 25,668.83 × 10,537.65
  4. Step 4: Simplify right side
    18,605.85x = 270,489,146.45
  5. Step 5: Solve for x
    x = 270,489,146.45/18,605.85
  6. Step 6: Final answer
    x = 14,537.85

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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.