Home / 16,905.92-23,338.31-11,250.09

Finding the Fourth Proportional to 16,905.92, 23,338.31 and 11,250.09

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Solution

The fourth proportional to 16,905.92, 23,338.31 and 11,250.09 is: 15,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.92 : 23,338.31 = 11,250.09 : x
  2. Step 2: Convert to fraction form
    16,905.92/23,338.31 = 11,250.09/x
  3. Step 3: Cross multiply
    16,905.92x = 23,338.31 × 11,250.09
  4. Step 4: Simplify right side
    16,905.92x = 262,558,031.70
  5. Step 5: Solve for x
    x = 262,558,031.70/16,905.92
  6. Step 6: Final answer
    x = 15,530.54

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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.