Home / 27,914.81-41,872.22-13,112.87

Finding the Fourth Proportional to 27,914.81, 41,872.22 and 13,112.87

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Solution

The fourth proportional to 27,914.81, 41,872.22 and 13,112.87 is: 19,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,914.81 : 41,872.22 = 13,112.87 : x
  2. Step 2: Convert to fraction form
    27,914.81/41,872.22 = 13,112.87/x
  3. Step 3: Cross multiply
    27,914.81x = 41,872.22 × 13,112.87
  4. Step 4: Simplify right side
    27,914.81x = 549,064,911.91
  5. Step 5: Solve for x
    x = 549,064,911.91/27,914.81
  6. Step 6: Final answer
    x = 19,669.31

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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.