Home / 15,493.20-23,239.59-3,806.31

Finding the Fourth Proportional to 15,493.20, 23,239.59 and 3,806.31

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Solution

The fourth proportional to 15,493.20, 23,239.59 and 3,806.31 is: 5,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493.20 : 23,239.59 = 3,806.31 : x
  2. Step 2: Convert to fraction form
    15,493.20/23,239.59 = 3,806.31/x
  3. Step 3: Cross multiply
    15,493.20x = 23,239.59 × 3,806.31
  4. Step 4: Simplify right side
    15,493.20x = 88,457,083.81
  5. Step 5: Solve for x
    x = 88,457,083.81/15,493.20
  6. Step 6: Final answer
    x = 5,709.41

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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.