Home / 23,831.96-32,889.65-13,221.61

Finding the Fourth Proportional to 23,831.96, 32,889.65 and 13,221.61

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Solution

The fourth proportional to 23,831.96, 32,889.65 and 13,221.61 is: 18,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,831.96 : 32,889.65 = 13,221.61 : x
  2. Step 2: Convert to fraction form
    23,831.96/32,889.65 = 13,221.61/x
  3. Step 3: Cross multiply
    23,831.96x = 32,889.65 × 13,221.61
  4. Step 4: Simplify right side
    23,831.96x = 434,853,977.00
  5. Step 5: Solve for x
    x = 434,853,977.00/23,831.96
  6. Step 6: Final answer
    x = 18,246.68

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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.