Home / 14,520.08-20,043.24-8,930

Finding the Fourth Proportional to 14,520.08, 20,043.24 and 8,930

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Solution

The fourth proportional to 14,520.08, 20,043.24 and 8,930 is: 12,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.08 : 20,043.24 = 8,930 : x
  2. Step 2: Convert to fraction form
    14,520.08/20,043.24 = 8,930/x
  3. Step 3: Cross multiply
    14,520.08x = 20,043.24 × 8,930
  4. Step 4: Simplify right side
    14,520.08x = 178,986,133.20
  5. Step 5: Solve for x
    x = 178,986,133.20/14,520.08
  6. Step 6: Final answer
    x = 12,326.80

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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.