Home / 15,786.89-23,680.13-4,542.52

Finding the Fourth Proportional to 15,786.89, 23,680.13 and 4,542.52

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Solution

The fourth proportional to 15,786.89, 23,680.13 and 4,542.52 is: 6,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.89 : 23,680.13 = 4,542.52 : x
  2. Step 2: Convert to fraction form
    15,786.89/23,680.13 = 4,542.52/x
  3. Step 3: Cross multiply
    15,786.89x = 23,680.13 × 4,542.52
  4. Step 4: Simplify right side
    15,786.89x = 107,567,464.13
  5. Step 5: Solve for x
    x = 107,567,464.13/15,786.89
  6. Step 6: Final answer
    x = 6,813.72

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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.