Home / 14,760.88-20,372.64-8,796

Finding the Fourth Proportional to 14,760.88, 20,372.64 and 8,796

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Solution

The fourth proportional to 14,760.88, 20,372.64 and 8,796 is: 12,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.88 : 20,372.64 = 8,796 : x
  2. Step 2: Convert to fraction form
    14,760.88/20,372.64 = 8,796/x
  3. Step 3: Cross multiply
    14,760.88x = 20,372.64 × 8,796
  4. Step 4: Simplify right side
    14,760.88x = 179,197,741.44
  5. Step 5: Solve for x
    x = 179,197,741.44/14,760.88
  6. Step 6: Final answer
    x = 12,140.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.