Home / 18,372.32-27,514.56-10,039.88

Finding the Fourth Proportional to 18,372.32, 27,514.56 and 10,039.88

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Solution

The fourth proportional to 18,372.32, 27,514.56 and 10,039.88 is: 15,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.32 : 27,514.56 = 10,039.88 : x
  2. Step 2: Convert to fraction form
    18,372.32/27,514.56 = 10,039.88/x
  3. Step 3: Cross multiply
    18,372.32x = 27,514.56 × 10,039.88
  4. Step 4: Simplify right side
    18,372.32x = 276,242,880.65
  5. Step 5: Solve for x
    x = 276,242,880.65/18,372.32
  6. Step 6: Final answer
    x = 15,035.82

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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.