Home / 14,252.46-21,378.67-3,864.21

Finding the Fourth Proportional to 14,252.46, 21,378.67 and 3,864.21

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Solution

The fourth proportional to 14,252.46, 21,378.67 and 3,864.21 is: 5,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.46 : 21,378.67 = 3,864.21 : x
  2. Step 2: Convert to fraction form
    14,252.46/21,378.67 = 3,864.21/x
  3. Step 3: Cross multiply
    14,252.46x = 21,378.67 × 3,864.21
  4. Step 4: Simplify right side
    14,252.46x = 82,611,670.40
  5. Step 5: Solve for x
    x = 82,611,670.40/14,252.46
  6. Step 6: Final answer
    x = 5,796.31

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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.