Home / 27,668.94-38,137.61-19,605.30

Finding the Fourth Proportional to 27,668.94, 38,137.61 and 19,605.30

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Solution

The fourth proportional to 27,668.94, 38,137.61 and 19,605.30 is: 27,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668.94 : 38,137.61 = 19,605.30 : x
  2. Step 2: Convert to fraction form
    27,668.94/38,137.61 = 19,605.30/x
  3. Step 3: Cross multiply
    27,668.94x = 38,137.61 × 19,605.30
  4. Step 4: Simplify right side
    27,668.94x = 747,699,187.31
  5. Step 5: Solve for x
    x = 747,699,187.31/27,668.94
  6. Step 6: Final answer
    x = 27,023.05

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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.