Home / 15,814.49-23,720.92-4,721.27

Finding the Fourth Proportional to 15,814.49, 23,720.92 and 4,721.27

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Solution

The fourth proportional to 15,814.49, 23,720.92 and 4,721.27 is: 7,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.49 : 23,720.92 = 4,721.27 : x
  2. Step 2: Convert to fraction form
    15,814.49/23,720.92 = 4,721.27/x
  3. Step 3: Cross multiply
    15,814.49x = 23,720.92 × 4,721.27
  4. Step 4: Simplify right side
    15,814.49x = 111,992,737.56
  5. Step 5: Solve for x
    x = 111,992,737.56/15,814.49
  6. Step 6: Final answer
    x = 7,081.66

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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.