Home / 20,049.26-27,668.99-11,097.74

Finding the Fourth Proportional to 20,049.26, 27,668.99 and 11,097.74

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Solution

The fourth proportional to 20,049.26, 27,668.99 and 11,097.74 is: 15,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.26 : 27,668.99 = 11,097.74 : x
  2. Step 2: Convert to fraction form
    20,049.26/27,668.99 = 11,097.74/x
  3. Step 3: Cross multiply
    20,049.26x = 27,668.99 × 11,097.74
  4. Step 4: Simplify right side
    20,049.26x = 307,063,354.00
  5. Step 5: Solve for x
    x = 307,063,354.00/20,049.26
  6. Step 6: Final answer
    x = 15,315.45

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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.