Home / 14,203.82-21,305.60-3,672.92

Finding the Fourth Proportional to 14,203.82, 21,305.60 and 3,672.92

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Solution

The fourth proportional to 14,203.82, 21,305.60 and 3,672.92 is: 5,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.82 : 21,305.60 = 3,672.92 : x
  2. Step 2: Convert to fraction form
    14,203.82/21,305.60 = 3,672.92/x
  3. Step 3: Cross multiply
    14,203.82x = 21,305.60 × 3,672.92
  4. Step 4: Simplify right side
    14,203.82x = 78,253,764.35
  5. Step 5: Solve for x
    x = 78,253,764.35/14,203.82
  6. Step 6: Final answer
    x = 5,509.35

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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.