Home / 22,745.32-31,395.30-14,367.40

Finding the Fourth Proportional to 22,745.32, 31,395.30 and 14,367.40

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Solution

The fourth proportional to 22,745.32, 31,395.30 and 14,367.40 is: 19,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.32 : 31,395.30 = 14,367.40 : x
  2. Step 2: Convert to fraction form
    22,745.32/31,395.30 = 14,367.40/x
  3. Step 3: Cross multiply
    22,745.32x = 31,395.30 × 14,367.40
  4. Step 4: Simplify right side
    22,745.32x = 451,068,833.22
  5. Step 5: Solve for x
    x = 451,068,833.22/22,745.32
  6. Step 6: Final answer
    x = 19,831.28

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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.