Home / 27,905.10-41,863.05-12,110.10

Finding the Fourth Proportional to 27,905.10, 41,863.05 and 12,110.10

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Solution

The fourth proportional to 27,905.10, 41,863.05 and 12,110.10 is: 18,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.10 : 41,863.05 = 12,110.10 : x
  2. Step 2: Convert to fraction form
    27,905.10/41,863.05 = 12,110.10/x
  3. Step 3: Cross multiply
    27,905.10x = 41,863.05 × 12,110.10
  4. Step 4: Simplify right side
    27,905.10x = 506,965,721.81
  5. Step 5: Solve for x
    x = 506,965,721.81/27,905.10
  6. Step 6: Final answer
    x = 18,167.49

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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.