Home / 17,887.92-24,680.34-11,180.39

Finding the Fourth Proportional to 17,887.92, 24,680.34 and 11,180.39

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Solution

The fourth proportional to 17,887.92, 24,680.34 and 11,180.39 is: 15,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.92 : 24,680.34 = 11,180.39 : x
  2. Step 2: Convert to fraction form
    17,887.92/24,680.34 = 11,180.39/x
  3. Step 3: Cross multiply
    17,887.92x = 24,680.34 × 11,180.39
  4. Step 4: Simplify right side
    17,887.92x = 275,935,703.13
  5. Step 5: Solve for x
    x = 275,935,703.13/17,887.92
  6. Step 6: Final answer
    x = 15,425.81

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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.