Home / 19,162.64-26,429.44-12,450.42

Finding the Fourth Proportional to 19,162.64, 26,429.44 and 12,450.42

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Solution

The fourth proportional to 19,162.64, 26,429.44 and 12,450.42 is: 17,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.64 : 26,429.44 = 12,450.42 : x
  2. Step 2: Convert to fraction form
    19,162.64/26,429.44 = 12,450.42/x
  3. Step 3: Cross multiply
    19,162.64x = 26,429.44 × 12,450.42
  4. Step 4: Simplify right side
    19,162.64x = 329,057,628.36
  5. Step 5: Solve for x
    x = 329,057,628.36/19,162.64
  6. Step 6: Final answer
    x = 17,171.83

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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.