Home / 23,831.01-32,887.92-13,220.72

Finding the Fourth Proportional to 23,831.01, 32,887.92 and 13,220.72

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Solution

The fourth proportional to 23,831.01, 32,887.92 and 13,220.72 is: 18,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,831.01 : 32,887.92 = 13,220.72 : x
  2. Step 2: Convert to fraction form
    23,831.01/32,887.92 = 13,220.72/x
  3. Step 3: Cross multiply
    23,831.01x = 32,887.92 × 13,220.72
  4. Step 4: Simplify right side
    23,831.01x = 434,801,990.17
  5. Step 5: Solve for x
    x = 434,801,990.17/23,831.01
  6. Step 6: Final answer
    x = 18,245.22

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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.