Home / 19,571.09-29,361.50-5,720.09

Finding the Fourth Proportional to 19,571.09, 29,361.50 and 5,720.09

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Solution

The fourth proportional to 19,571.09, 29,361.50 and 5,720.09 is: 8,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.09 : 29,361.50 = 5,720.09 : x
  2. Step 2: Convert to fraction form
    19,571.09/29,361.50 = 5,720.09/x
  3. Step 3: Cross multiply
    19,571.09x = 29,361.50 × 5,720.09
  4. Step 4: Simplify right side
    19,571.09x = 167,950,422.54
  5. Step 5: Solve for x
    x = 167,950,422.54/19,571.09
  6. Step 6: Final answer
    x = 8,581.56

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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.