Home / 19,887.66-27,446.72-10,936.74

Finding the Fourth Proportional to 19,887.66, 27,446.72 and 10,936.74

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Solution

The fourth proportional to 19,887.66, 27,446.72 and 10,936.74 is: 15,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.66 : 27,446.72 = 10,936.74 : x
  2. Step 2: Convert to fraction form
    19,887.66/27,446.72 = 10,936.74/x
  3. Step 3: Cross multiply
    19,887.66x = 27,446.72 × 10,936.74
  4. Step 4: Simplify right side
    19,887.66x = 300,177,640.49
  5. Step 5: Solve for x
    x = 300,177,640.49/19,887.66
  6. Step 6: Final answer
    x = 15,093.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.