Home / 14,811.99-20,440.60-8,097.70

Finding the Fourth Proportional to 14,811.99, 20,440.60 and 8,097.70

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Solution

The fourth proportional to 14,811.99, 20,440.60 and 8,097.70 is: 11,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.99 : 20,440.60 = 8,097.70 : x
  2. Step 2: Convert to fraction form
    14,811.99/20,440.60 = 8,097.70/x
  3. Step 3: Cross multiply
    14,811.99x = 20,440.60 × 8,097.70
  4. Step 4: Simplify right side
    14,811.99x = 165,521,846.62
  5. Step 5: Solve for x
    x = 165,521,846.62/14,811.99
  6. Step 6: Final answer
    x = 11,174.86

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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.