Home / 14,500.75-21,754.77-4,112.50

Finding the Fourth Proportional to 14,500.75, 21,754.77 and 4,112.50

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Solution

The fourth proportional to 14,500.75, 21,754.77 and 4,112.50 is: 6,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.75 : 21,754.77 = 4,112.50 : x
  2. Step 2: Convert to fraction form
    14,500.75/21,754.77 = 4,112.50/x
  3. Step 3: Cross multiply
    14,500.75x = 21,754.77 × 4,112.50
  4. Step 4: Simplify right side
    14,500.75x = 89,466,491.63
  5. Step 5: Solve for x
    x = 89,466,491.63/14,500.75
  6. Step 6: Final answer
    x = 6,169.78

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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.