Home / 18,628.92-25,711.56-10,676.48

Finding the Fourth Proportional to 18,628.92, 25,711.56 and 10,676.48

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Solution

The fourth proportional to 18,628.92, 25,711.56 and 10,676.48 is: 14,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.92 : 25,711.56 = 10,676.48 : x
  2. Step 2: Convert to fraction form
    18,628.92/25,711.56 = 10,676.48/x
  3. Step 3: Cross multiply
    18,628.92x = 25,711.56 × 10,676.48
  4. Step 4: Simplify right side
    18,628.92x = 274,508,827.55
  5. Step 5: Solve for x
    x = 274,508,827.55/18,628.92
  6. Step 6: Final answer
    x = 14,735.63

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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.