Home / 14,467.09-19,964.59-8,179.47

Finding the Fourth Proportional to 14,467.09, 19,964.59 and 8,179.47

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Solution

The fourth proportional to 14,467.09, 19,964.59 and 8,179.47 is: 11,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.09 : 19,964.59 = 8,179.47 : x
  2. Step 2: Convert to fraction form
    14,467.09/19,964.59 = 8,179.47/x
  3. Step 3: Cross multiply
    14,467.09x = 19,964.59 × 8,179.47
  4. Step 4: Simplify right side
    14,467.09x = 163,299,764.97
  5. Step 5: Solve for x
    x = 163,299,764.97/14,467.09
  6. Step 6: Final answer
    x = 11,287.67

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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.