Home / 22,831.96-31,517.80-13,882.32

Finding the Fourth Proportional to 22,831.96, 31,517.80 and 13,882.32

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Solution

The fourth proportional to 22,831.96, 31,517.80 and 13,882.32 is: 19,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,831.96 : 31,517.80 = 13,882.32 : x
  2. Step 2: Convert to fraction form
    22,831.96/31,517.80 = 13,882.32/x
  3. Step 3: Cross multiply
    22,831.96x = 31,517.80 × 13,882.32
  4. Step 4: Simplify right side
    22,831.96x = 437,540,185.30
  5. Step 5: Solve for x
    x = 437,540,185.30/22,831.96
  6. Step 6: Final answer
    x = 19,163.50

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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.