Home / 23,556.09-32,507.19-12,945.90

Finding the Fourth Proportional to 23,556.09, 32,507.19 and 12,945.90

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Solution

The fourth proportional to 23,556.09, 32,507.19 and 12,945.90 is: 17,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,556.09 : 32,507.19 = 12,945.90 : x
  2. Step 2: Convert to fraction form
    23,556.09/32,507.19 = 12,945.90/x
  3. Step 3: Cross multiply
    23,556.09x = 32,507.19 × 12,945.90
  4. Step 4: Simplify right side
    23,556.09x = 420,834,831.02
  5. Step 5: Solve for x
    x = 420,834,831.02/23,556.09
  6. Step 6: Final answer
    x = 17,865.22

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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.