Home / 14,156.63-21,238.21-4,161.52

Finding the Fourth Proportional to 14,156.63, 21,238.21 and 4,161.52

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Solution

The fourth proportional to 14,156.63, 21,238.21 and 4,161.52 is: 6,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.63 : 21,238.21 = 4,161.52 : x
  2. Step 2: Convert to fraction form
    14,156.63/21,238.21 = 4,161.52/x
  3. Step 3: Cross multiply
    14,156.63x = 21,238.21 × 4,161.52
  4. Step 4: Simplify right side
    14,156.63x = 88,383,235.68
  5. Step 5: Solve for x
    x = 88,383,235.68/14,156.63
  6. Step 6: Final answer
    x = 6,243.24

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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.