Home / 16,675.20-25,012.80-4,363.20

Finding the Fourth Proportional to 16,675.20, 25,012.80 and 4,363.20

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Solution

The fourth proportional to 16,675.20, 25,012.80 and 4,363.20 is: 6,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.20 : 25,012.80 = 4,363.20 : x
  2. Step 2: Convert to fraction form
    16,675.20/25,012.80 = 4,363.20/x
  3. Step 3: Cross multiply
    16,675.20x = 25,012.80 × 4,363.20
  4. Step 4: Simplify right side
    16,675.20x = 109,135,848.96
  5. Step 5: Solve for x
    x = 109,135,848.96/16,675.20
  6. Step 6: Final answer
    x = 6,544.80

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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.