Home / 19,571.06-29,355.38-5,720.06

Finding the Fourth Proportional to 19,571.06, 29,355.38 and 5,720.06

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Solution

The fourth proportional to 19,571.06, 29,355.38 and 5,720.06 is: 8,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.06 : 29,355.38 = 5,720.06 : x
  2. Step 2: Convert to fraction form
    19,571.06/29,355.38 = 5,720.06/x
  3. Step 3: Cross multiply
    19,571.06x = 29,355.38 × 5,720.06
  4. Step 4: Simplify right side
    19,571.06x = 167,914,534.92
  5. Step 5: Solve for x
    x = 167,914,534.92/19,571.06
  6. Step 6: Final answer
    x = 8,579.74

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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.