Home / 14,814.91-20,444.96-8,100.82

Finding the Fourth Proportional to 14,814.91, 20,444.96 and 8,100.82

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Solution

The fourth proportional to 14,814.91, 20,444.96 and 8,100.82 is: 11,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.91 : 20,444.96 = 8,100.82 : x
  2. Step 2: Convert to fraction form
    14,814.91/20,444.96 = 8,100.82/x
  3. Step 3: Cross multiply
    14,814.91x = 20,444.96 × 8,100.82
  4. Step 4: Simplify right side
    14,814.91x = 165,620,798.14
  5. Step 5: Solve for x
    x = 165,620,798.14/14,814.91
  6. Step 6: Final answer
    x = 11,179.34

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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.