Home / 14,668.74-20,243.25-8,296.47

Finding the Fourth Proportional to 14,668.74, 20,243.25 and 8,296.47

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Solution

The fourth proportional to 14,668.74, 20,243.25 and 8,296.47 is: 11,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.74 : 20,243.25 = 8,296.47 : x
  2. Step 2: Convert to fraction form
    14,668.74/20,243.25 = 8,296.47/x
  3. Step 3: Cross multiply
    14,668.74x = 20,243.25 × 8,296.47
  4. Step 4: Simplify right side
    14,668.74x = 167,947,516.33
  5. Step 5: Solve for x
    x = 167,947,516.33/14,668.74
  6. Step 6: Final answer
    x = 11,449.35

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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.