Home / 23,831.73-32,887.80-13,221.38

Finding the Fourth Proportional to 23,831.73, 32,887.80 and 13,221.38

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Solution

The fourth proportional to 23,831.73, 32,887.80 and 13,221.38 is: 18,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,831.73 : 32,887.80 = 13,221.38 : x
  2. Step 2: Convert to fraction form
    23,831.73/32,887.80 = 13,221.38/x
  3. Step 3: Cross multiply
    23,831.73x = 32,887.80 × 13,221.38
  4. Step 4: Simplify right side
    23,831.73x = 434,821,936.73
  5. Step 5: Solve for x
    x = 434,821,936.73/23,831.73
  6. Step 6: Final answer
    x = 18,245.50

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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.