Home / 17,738.18-26,450.78-16,866.10

Finding the Fourth Proportional to 17,738.18, 26,450.78 and 16,866.10

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Solution

The fourth proportional to 17,738.18, 26,450.78 and 16,866.10 is: 25,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.18 : 26,450.78 = 16,866.10 : x
  2. Step 2: Convert to fraction form
    17,738.18/26,450.78 = 16,866.10/x
  3. Step 3: Cross multiply
    17,738.18x = 26,450.78 × 16,866.10
  4. Step 4: Simplify right side
    17,738.18x = 446,121,500.56
  5. Step 5: Solve for x
    x = 446,121,500.56/17,738.18
  6. Step 6: Final answer
    x = 25,150.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.