Home / 19,571.42-29,355.54-5,530.88

Finding the Fourth Proportional to 19,571.42, 29,355.54 and 5,530.88

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Solution

The fourth proportional to 19,571.42, 29,355.54 and 5,530.88 is: 8,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.42 : 29,355.54 = 5,530.88 : x
  2. Step 2: Convert to fraction form
    19,571.42/29,355.54 = 5,530.88/x
  3. Step 3: Cross multiply
    19,571.42x = 29,355.54 × 5,530.88
  4. Step 4: Simplify right side
    19,571.42x = 162,361,822.30
  5. Step 5: Solve for x
    x = 162,361,822.30/19,571.42
  6. Step 6: Final answer
    x = 8,295.87

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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.