Home / 23,556.09-32,508-12,945.99

Finding the Fourth Proportional to 23,556.09, 32,508 and 12,945.99

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Solution

The fourth proportional to 23,556.09, 32,508 and 12,945.99 is: 17,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,556.09 : 32,508 = 12,945.99 : x
  2. Step 2: Convert to fraction form
    23,556.09/32,508 = 12,945.99/x
  3. Step 3: Cross multiply
    23,556.09x = 32,508 × 12,945.99
  4. Step 4: Simplify right side
    23,556.09x = 420,848,242.92
  5. Step 5: Solve for x
    x = 420,848,242.92/23,556.09
  6. Step 6: Final answer
    x = 17,865.79

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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.