Home / 14,919.98-22,378.79-8,676

Finding the Fourth Proportional to 14,919.98, 22,378.79 and 8,676

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Solution

The fourth proportional to 14,919.98, 22,378.79 and 8,676 is: 13,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.98 : 22,378.79 = 8,676 : x
  2. Step 2: Convert to fraction form
    14,919.98/22,378.79 = 8,676/x
  3. Step 3: Cross multiply
    14,919.98x = 22,378.79 × 8,676
  4. Step 4: Simplify right side
    14,919.98x = 194,158,338.66
  5. Step 5: Solve for x
    x = 194,158,338.66/14,919.98
  6. Step 6: Final answer
    x = 13,013.32

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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.