Home / 22,733.28-31,372.24-12,661.46

Finding the Fourth Proportional to 22,733.28, 31,372.24 and 12,661.46

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Solution

The fourth proportional to 22,733.28, 31,372.24 and 12,661.46 is: 17,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,733.28 : 31,372.24 = 12,661.46 : x
  2. Step 2: Convert to fraction form
    22,733.28/31,372.24 = 12,661.46/x
  3. Step 3: Cross multiply
    22,733.28x = 31,372.24 × 12,661.46
  4. Step 4: Simplify right side
    22,733.28x = 397,218,361.87
  5. Step 5: Solve for x
    x = 397,218,361.87/22,733.28
  6. Step 6: Final answer
    x = 17,472.99

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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.