Home / 20,221.02-27,892.38-14,467.86

Finding the Fourth Proportional to 20,221.02, 27,892.38 and 14,467.86

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Solution

The fourth proportional to 20,221.02, 27,892.38 and 14,467.86 is: 19,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,221.02 : 27,892.38 = 14,467.86 : x
  2. Step 2: Convert to fraction form
    20,221.02/27,892.38 = 14,467.86/x
  3. Step 3: Cross multiply
    20,221.02x = 27,892.38 × 14,467.86
  4. Step 4: Simplify right side
    20,221.02x = 403,543,048.91
  5. Step 5: Solve for x
    x = 403,543,048.91/20,221.02
  6. Step 6: Final answer
    x = 19,956.61

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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.