Home / 14,620.75-21,931.13-3,676.75

Finding the Fourth Proportional to 14,620.75, 21,931.13 and 3,676.75

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Solution

The fourth proportional to 14,620.75, 21,931.13 and 3,676.75 is: 5,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.75 : 21,931.13 = 3,676.75 : x
  2. Step 2: Convert to fraction form
    14,620.75/21,931.13 = 3,676.75/x
  3. Step 3: Cross multiply
    14,620.75x = 21,931.13 × 3,676.75
  4. Step 4: Simplify right side
    14,620.75x = 80,635,263.84
  5. Step 5: Solve for x
    x = 80,635,263.84/14,620.75
  6. Step 6: Final answer
    x = 5,515.13

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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.