Home / 22,936.29-31,650.21-12,863.37

Finding the Fourth Proportional to 22,936.29, 31,650.21 and 12,863.37

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Solution

The fourth proportional to 22,936.29, 31,650.21 and 12,863.37 is: 17,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.29 : 31,650.21 = 12,863.37 : x
  2. Step 2: Convert to fraction form
    22,936.29/31,650.21 = 12,863.37/x
  3. Step 3: Cross multiply
    22,936.29x = 31,650.21 × 12,863.37
  4. Step 4: Simplify right side
    22,936.29x = 407,128,361.81
  5. Step 5: Solve for x
    x = 407,128,361.81/22,936.29
  6. Step 6: Final answer
    x = 17,750.40

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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.