Home / 15,131.44-22,699.32-4,744

Finding the Fourth Proportional to 15,131.44, 22,699.32 and 4,744

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Solution

The fourth proportional to 15,131.44, 22,699.32 and 4,744 is: 7,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.44 : 22,699.32 = 4,744 : x
  2. Step 2: Convert to fraction form
    15,131.44/22,699.32 = 4,744/x
  3. Step 3: Cross multiply
    15,131.44x = 22,699.32 × 4,744
  4. Step 4: Simplify right side
    15,131.44x = 107,685,574.08
  5. Step 5: Solve for x
    x = 107,685,574.08/15,131.44
  6. Step 6: Final answer
    x = 7,116.68

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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.