Home / 53,057.82-79,586.78-13,076.80

Finding the Fourth Proportional to 53,057.82, 79,586.78 and 13,076.80

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Solution

The fourth proportional to 53,057.82, 79,586.78 and 13,076.80 is: 19,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,057.82 : 79,586.78 = 13,076.80 : x
  2. Step 2: Convert to fraction form
    53,057.82/79,586.78 = 13,076.80/x
  3. Step 3: Cross multiply
    53,057.82x = 79,586.78 × 13,076.80
  4. Step 4: Simplify right side
    53,057.82x = 1,040,740,438.80
  5. Step 5: Solve for x
    x = 1,040,740,438.80/53,057.82
  6. Step 6: Final answer
    x = 19,615.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.