Home / 18,361.32-25,324.48-12,383.52

Finding the Fourth Proportional to 18,361.32, 25,324.48 and 12,383.52

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Solution

The fourth proportional to 18,361.32, 25,324.48 and 12,383.52 is: 17,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.32 : 25,324.48 = 12,383.52 : x
  2. Step 2: Convert to fraction form
    18,361.32/25,324.48 = 12,383.52/x
  3. Step 3: Cross multiply
    18,361.32x = 25,324.48 × 12,383.52
  4. Step 4: Simplify right side
    18,361.32x = 313,606,204.57
  5. Step 5: Solve for x
    x = 313,606,204.57/18,361.32
  6. Step 6: Final answer
    x = 17,079.72

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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.