Home / 14,813.99-20,443.36-8,099.70

Finding the Fourth Proportional to 14,813.99, 20,443.36 and 8,099.70

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Solution

The fourth proportional to 14,813.99, 20,443.36 and 8,099.70 is: 11,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.99 : 20,443.36 = 8,099.70 : x
  2. Step 2: Convert to fraction form
    14,813.99/20,443.36 = 8,099.70/x
  3. Step 3: Cross multiply
    14,813.99x = 20,443.36 × 8,099.70
  4. Step 4: Simplify right side
    14,813.99x = 165,585,082.99
  5. Step 5: Solve for x
    x = 165,585,082.99/14,813.99
  6. Step 6: Final answer
    x = 11,177.62

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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.