Home / 14,060.80-21,091.20-3,672.52

Finding the Fourth Proportional to 14,060.80, 21,091.20 and 3,672.52

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Solution

The fourth proportional to 14,060.80, 21,091.20 and 3,672.52 is: 5,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.80 : 21,091.20 = 3,672.52 : x
  2. Step 2: Convert to fraction form
    14,060.80/21,091.20 = 3,672.52/x
  3. Step 3: Cross multiply
    14,060.80x = 21,091.20 × 3,672.52
  4. Step 4: Simplify right side
    14,060.80x = 77,457,853.82
  5. Step 5: Solve for x
    x = 77,457,853.82/14,060.80
  6. Step 6: Final answer
    x = 5,508.78

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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.