Home / 14,550.30-21,826.20-4,161.78

Finding the Fourth Proportional to 14,550.30, 21,826.20 and 4,161.78

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Solution

The fourth proportional to 14,550.30, 21,826.20 and 4,161.78 is: 6,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.30 : 21,826.20 = 4,161.78 : x
  2. Step 2: Convert to fraction form
    14,550.30/21,826.20 = 4,161.78/x
  3. Step 3: Cross multiply
    14,550.30x = 21,826.20 × 4,161.78
  4. Step 4: Simplify right side
    14,550.30x = 90,835,842.64
  5. Step 5: Solve for x
    x = 90,835,842.64/14,550.30
  6. Step 6: Final answer
    x = 6,242.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.