Home / 19,562.82-26,986.68-12,481.80

Finding the Fourth Proportional to 19,562.82, 26,986.68 and 12,481.80

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Solution

The fourth proportional to 19,562.82, 26,986.68 and 12,481.80 is: 17,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.82 : 26,986.68 = 12,481.80 : x
  2. Step 2: Convert to fraction form
    19,562.82/26,986.68 = 12,481.80/x
  3. Step 3: Cross multiply
    19,562.82x = 26,986.68 × 12,481.80
  4. Step 4: Simplify right side
    19,562.82x = 336,842,342.42
  5. Step 5: Solve for x
    x = 336,842,342.42/19,562.82
  6. Step 6: Final answer
    x = 17,218.50

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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.