Home / 14,625.20-21,932.40-4,764.80

Finding the Fourth Proportional to 14,625.20, 21,932.40 and 4,764.80

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Solution

The fourth proportional to 14,625.20, 21,932.40 and 4,764.80 is: 7,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.20 : 21,932.40 = 4,764.80 : x
  2. Step 2: Convert to fraction form
    14,625.20/21,932.40 = 4,764.80/x
  3. Step 3: Cross multiply
    14,625.20x = 21,932.40 × 4,764.80
  4. Step 4: Simplify right side
    14,625.20x = 104,503,499.52
  5. Step 5: Solve for x
    x = 104,503,499.52/14,625.20
  6. Step 6: Final answer
    x = 7,145.44

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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.