Home / 14,754.85-20,361.92-8,040.76

Finding the Fourth Proportional to 14,754.85, 20,361.92 and 8,040.76

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Solution

The fourth proportional to 14,754.85, 20,361.92 and 8,040.76 is: 11,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.85 : 20,361.92 = 8,040.76 : x
  2. Step 2: Convert to fraction form
    14,754.85/20,361.92 = 8,040.76/x
  3. Step 3: Cross multiply
    14,754.85x = 20,361.92 × 8,040.76
  4. Step 4: Simplify right side
    14,754.85x = 163,725,220.75
  5. Step 5: Solve for x
    x = 163,725,220.75/14,754.85
  6. Step 6: Final answer
    x = 11,096.37

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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.