Home / 14,835.54-20,472.21-8,119.83

Finding the Fourth Proportional to 14,835.54, 20,472.21 and 8,119.83

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Solution

The fourth proportional to 14,835.54, 20,472.21 and 8,119.83 is: 11,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.54 : 20,472.21 = 8,119.83 : x
  2. Step 2: Convert to fraction form
    14,835.54/20,472.21 = 8,119.83/x
  3. Step 3: Cross multiply
    14,835.54x = 20,472.21 × 8,119.83
  4. Step 4: Simplify right side
    14,835.54x = 166,230,864.92
  5. Step 5: Solve for x
    x = 166,230,864.92/14,835.54
  6. Step 6: Final answer
    x = 11,204.91

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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.