Home / 22,831.92-31,504.68-13,403.52

Finding the Fourth Proportional to 22,831.92, 31,504.68 and 13,403.52

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Solution

The fourth proportional to 22,831.92, 31,504.68 and 13,403.52 is: 18,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,831.92 : 31,504.68 = 13,403.52 : x
  2. Step 2: Convert to fraction form
    22,831.92/31,504.68 = 13,403.52/x
  3. Step 3: Cross multiply
    22,831.92x = 31,504.68 × 13,403.52
  4. Step 4: Simplify right side
    22,831.92x = 422,273,608.47
  5. Step 5: Solve for x
    x = 422,273,608.47/22,831.92
  6. Step 6: Final answer
    x = 18,494.88

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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.