Home / 15,249.72-22,876.80-4,720.62

Finding the Fourth Proportional to 15,249.72, 22,876.80 and 4,720.62

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Solution

The fourth proportional to 15,249.72, 22,876.80 and 4,720.62 is: 7,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.72 : 22,876.80 = 4,720.62 : x
  2. Step 2: Convert to fraction form
    15,249.72/22,876.80 = 4,720.62/x
  3. Step 3: Cross multiply
    15,249.72x = 22,876.80 × 4,720.62
  4. Step 4: Simplify right side
    15,249.72x = 107,992,679.62
  5. Step 5: Solve for x
    x = 107,992,679.62/15,249.72
  6. Step 6: Final answer
    x = 7,081.62

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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.