Home / 19,512.03-29,269.80-5,472.21

Finding the Fourth Proportional to 19,512.03, 29,269.80 and 5,472.21

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Solution

The fourth proportional to 19,512.03, 29,269.80 and 5,472.21 is: 8,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.03 : 29,269.80 = 5,472.21 : x
  2. Step 2: Convert to fraction form
    19,512.03/29,269.80 = 5,472.21/x
  3. Step 3: Cross multiply
    19,512.03x = 29,269.80 × 5,472.21
  4. Step 4: Simplify right side
    19,512.03x = 160,170,492.26
  5. Step 5: Solve for x
    x = 160,170,492.26/19,512.03
  6. Step 6: Final answer
    x = 8,208.81

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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.