Home / 27,905.92-41,858.64-11,254.21

Finding the Fourth Proportional to 27,905.92, 41,858.64 and 11,254.21

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Solution

The fourth proportional to 27,905.92, 41,858.64 and 11,254.21 is: 16,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.92 : 41,858.64 = 11,254.21 : x
  2. Step 2: Convert to fraction form
    27,905.92/41,858.64 = 11,254.21/x
  3. Step 3: Cross multiply
    27,905.92x = 41,858.64 × 11,254.21
  4. Step 4: Simplify right side
    27,905.92x = 471,085,820.23
  5. Step 5: Solve for x
    x = 471,085,820.23/27,905.92
  6. Step 6: Final answer
    x = 16,881.22

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1.5x scale

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.