Home / 20,466.74-28,243.78-11,514.24

Finding the Fourth Proportional to 20,466.74, 28,243.78 and 11,514.24

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Solution

The fourth proportional to 20,466.74, 28,243.78 and 11,514.24 is: 15,889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.74 : 28,243.78 = 11,514.24 : x
  2. Step 2: Convert to fraction form
    20,466.74/28,243.78 = 11,514.24/x
  3. Step 3: Cross multiply
    20,466.74x = 28,243.78 × 11,514.24
  4. Step 4: Simplify right side
    20,466.74x = 325,205,632.64
  5. Step 5: Solve for x
    x = 325,205,632.64/20,466.74
  6. Step 6: Final answer
    x = 15,889.47

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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.