Home / 14,250.30-21,376.67-3,721.72

Finding the Fourth Proportional to 14,250.30, 21,376.67 and 3,721.72

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Solution

The fourth proportional to 14,250.30, 21,376.67 and 3,721.72 is: 5,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.30 : 21,376.67 = 3,721.72 : x
  2. Step 2: Convert to fraction form
    14,250.30/21,376.67 = 3,721.72/x
  3. Step 3: Cross multiply
    14,250.30x = 21,376.67 × 3,721.72
  4. Step 4: Simplify right side
    14,250.30x = 79,557,961.66
  5. Step 5: Solve for x
    x = 79,557,961.66/14,250.30
  6. Step 6: Final answer
    x = 5,582.90

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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.