Home / 14,310.52-21,467-3,922.28

Finding the Fourth Proportional to 14,310.52, 21,467 and 3,922.28

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Solution

The fourth proportional to 14,310.52, 21,467 and 3,922.28 is: 5,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.52 : 21,467 = 3,922.28 : x
  2. Step 2: Convert to fraction form
    14,310.52/21,467 = 3,922.28/x
  3. Step 3: Cross multiply
    14,310.52x = 21,467 × 3,922.28
  4. Step 4: Simplify right side
    14,310.52x = 84,199,584.76
  5. Step 5: Solve for x
    x = 84,199,584.76/14,310.52
  6. Step 6: Final answer
    x = 5,883.75

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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.