Home / 14,638.44-21,961.15-4,777.74

Finding the Fourth Proportional to 14,638.44, 21,961.15 and 4,777.74

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Solution

The fourth proportional to 14,638.44, 21,961.15 and 4,777.74 is: 7,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.44 : 21,961.15 = 4,777.74 : x
  2. Step 2: Convert to fraction form
    14,638.44/21,961.15 = 4,777.74/x
  3. Step 3: Cross multiply
    14,638.44x = 21,961.15 × 4,777.74
  4. Step 4: Simplify right side
    14,638.44x = 104,924,664.80
  5. Step 5: Solve for x
    x = 104,924,664.80/14,638.44
  6. Step 6: Final answer
    x = 7,167.75

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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.