Home / 18,709.92-25,818.66-11,636.28

Finding the Fourth Proportional to 18,709.92, 25,818.66 and 11,636.28

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Solution

The fourth proportional to 18,709.92, 25,818.66 and 11,636.28 is: 16,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.92 : 25,818.66 = 11,636.28 : x
  2. Step 2: Convert to fraction form
    18,709.92/25,818.66 = 11,636.28/x
  3. Step 3: Cross multiply
    18,709.92x = 25,818.66 × 11,636.28
  4. Step 4: Simplify right side
    18,709.92x = 300,433,156.98
  5. Step 5: Solve for x
    x = 300,433,156.98/18,709.92
  6. Step 6: Final answer
    x = 16,057.43

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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.