Home / 14,381.46-21,568.23-9,108.56

Finding the Fourth Proportional to 14,381.46, 21,568.23 and 9,108.56

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Solution

The fourth proportional to 14,381.46, 21,568.23 and 9,108.56 is: 13,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.46 : 21,568.23 = 9,108.56 : x
  2. Step 2: Convert to fraction form
    14,381.46/21,568.23 = 9,108.56/x
  3. Step 3: Cross multiply
    14,381.46x = 21,568.23 × 9,108.56
  4. Step 4: Simplify right side
    14,381.46x = 196,455,517.05
  5. Step 5: Solve for x
    x = 196,455,517.05/14,381.46
  6. Step 6: Final answer
    x = 13,660.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.