Home / 23,137.99-34,749.34-21,186.09

Finding the Fourth Proportional to 23,137.99, 34,749.34 and 21,186.09

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Solution

The fourth proportional to 23,137.99, 34,749.34 and 21,186.09 is: 31,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.99 : 34,749.34 = 21,186.09 : x
  2. Step 2: Convert to fraction form
    23,137.99/34,749.34 = 21,186.09/x
  3. Step 3: Cross multiply
    23,137.99x = 34,749.34 × 21,186.09
  4. Step 4: Simplify right side
    23,137.99x = 736,202,591.72
  5. Step 5: Solve for x
    x = 736,202,591.72/23,137.99
  6. Step 6: Final answer
    x = 31,817.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.