Home / 19,610.28-29,420.37-5,759.28

Finding the Fourth Proportional to 19,610.28, 29,420.37 and 5,759.28

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Solution

The fourth proportional to 19,610.28, 29,420.37 and 5,759.28 is: 8,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.28 : 29,420.37 = 5,759.28 : x
  2. Step 2: Convert to fraction form
    19,610.28/29,420.37 = 5,759.28/x
  3. Step 3: Cross multiply
    19,610.28x = 29,420.37 × 5,759.28
  4. Step 4: Simplify right side
    19,610.28x = 169,440,148.53
  5. Step 5: Solve for x
    x = 169,440,148.53/19,610.28
  6. Step 6: Final answer
    x = 8,640.37

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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.