Home / 14,835.44-20,463.68-9,171.92

Finding the Fourth Proportional to 14,835.44, 20,463.68 and 9,171.92

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Solution

The fourth proportional to 14,835.44, 20,463.68 and 9,171.92 is: 12,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.44 : 20,463.68 = 9,171.92 : x
  2. Step 2: Convert to fraction form
    14,835.44/20,463.68 = 9,171.92/x
  3. Step 3: Cross multiply
    14,835.44x = 20,463.68 × 9,171.92
  4. Step 4: Simplify right side
    14,835.44x = 187,691,156.48
  5. Step 5: Solve for x
    x = 187,691,156.48/14,835.44
  6. Step 6: Final answer
    x = 12,651.54

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1.5x scale

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.