Home / 14,506.88-21,760.28-4,118.64

Finding the Fourth Proportional to 14,506.88, 21,760.28 and 4,118.64

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Solution

The fourth proportional to 14,506.88, 21,760.28 and 4,118.64 is: 6,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.88 : 21,760.28 = 4,118.64 : x
  2. Step 2: Convert to fraction form
    14,506.88/21,760.28 = 4,118.64/x
  3. Step 3: Cross multiply
    14,506.88x = 21,760.28 × 4,118.64
  4. Step 4: Simplify right side
    14,506.88x = 89,622,759.62
  5. Step 5: Solve for x
    x = 89,622,759.62/14,506.88
  6. Step 6: Final answer
    x = 6,177.95

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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.