Home / 14,467.18-19,964.70-8,179.56

Finding the Fourth Proportional to 14,467.18, 19,964.70 and 8,179.56

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Solution

The fourth proportional to 14,467.18, 19,964.70 and 8,179.56 is: 11,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.18 : 19,964.70 = 8,179.56 : x
  2. Step 2: Convert to fraction form
    14,467.18/19,964.70 = 8,179.56/x
  3. Step 3: Cross multiply
    14,467.18x = 19,964.70 × 8,179.56
  4. Step 4: Simplify right side
    14,467.18x = 163,302,461.53
  5. Step 5: Solve for x
    x = 163,302,461.53/14,467.18
  6. Step 6: Final answer
    x = 11,287.79

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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.