Home / 16,758.11-23,110.74-11,388.56

Finding the Fourth Proportional to 16,758.11, 23,110.74 and 11,388.56

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Solution

The fourth proportional to 16,758.11, 23,110.74 and 11,388.56 is: 15,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.11 : 23,110.74 = 11,388.56 : x
  2. Step 2: Convert to fraction form
    16,758.11/23,110.74 = 11,388.56/x
  3. Step 3: Cross multiply
    16,758.11x = 23,110.74 × 11,388.56
  4. Step 4: Simplify right side
    16,758.11x = 263,197,876.64
  5. Step 5: Solve for x
    x = 263,197,876.64/16,758.11
  6. Step 6: Final answer
    x = 15,705.71

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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.