Home / 23,831.55-32,886.41-13,221.09

Finding the Fourth Proportional to 23,831.55, 32,886.41 and 13,221.09

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Solution

The fourth proportional to 23,831.55, 32,886.41 and 13,221.09 is: 18,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,831.55 : 32,886.41 = 13,221.09 : x
  2. Step 2: Convert to fraction form
    23,831.55/32,886.41 = 13,221.09/x
  3. Step 3: Cross multiply
    23,831.55x = 32,886.41 × 13,221.09
  4. Step 4: Simplify right side
    23,831.55x = 434,794,120.28
  5. Step 5: Solve for x
    x = 434,794,120.28/23,831.55
  6. Step 6: Final answer
    x = 18,244.48

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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.