Home / 14,481.09-19,979.01-9,175.14

Finding the Fourth Proportional to 14,481.09, 19,979.01 and 9,175.14

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Solution

The fourth proportional to 14,481.09, 19,979.01 and 9,175.14 is: 12,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.09 : 19,979.01 = 9,175.14 : x
  2. Step 2: Convert to fraction form
    14,481.09/19,979.01 = 9,175.14/x
  3. Step 3: Cross multiply
    14,481.09x = 19,979.01 × 9,175.14
  4. Step 4: Simplify right side
    14,481.09x = 183,310,213.81
  5. Step 5: Solve for x
    x = 183,310,213.81/14,481.09
  6. Step 6: Final answer
    x = 12,658.59

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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.