Home / 14,768.92-20,371.26-11,779.48

Finding the Fourth Proportional to 14,768.92, 20,371.26 and 11,779.48

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Solution

The fourth proportional to 14,768.92, 20,371.26 and 11,779.48 is: 16,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.92 : 20,371.26 = 11,779.48 : x
  2. Step 2: Convert to fraction form
    14,768.92/20,371.26 = 11,779.48/x
  3. Step 3: Cross multiply
    14,768.92x = 20,371.26 × 11,779.48
  4. Step 4: Simplify right side
    14,768.92x = 239,962,849.74
  5. Step 5: Solve for x
    x = 239,962,849.74/14,768.92
  6. Step 6: Final answer
    x = 16,247.83

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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.