Home / 13,932.96-19,232.09-12,456.74

Finding the Fourth Proportional to 13,932.96, 19,232.09 and 12,456.74

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Solution

The fourth proportional to 13,932.96, 19,232.09 and 12,456.74 is: 17,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.96 : 19,232.09 = 12,456.74 : x
  2. Step 2: Convert to fraction form
    13,932.96/19,232.09 = 12,456.74/x
  3. Step 3: Cross multiply
    13,932.96x = 19,232.09 × 12,456.74
  4. Step 4: Simplify right side
    13,932.96x = 239,568,986.34
  5. Step 5: Solve for x
    x = 239,568,986.34/13,932.96
  6. Step 6: Final answer
    x = 17,194.41

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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.