Home / 14,092.31-21,138.42-4,231.58

Finding the Fourth Proportional to 14,092.31, 21,138.42 and 4,231.58

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Solution

The fourth proportional to 14,092.31, 21,138.42 and 4,231.58 is: 6,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.31 : 21,138.42 = 4,231.58 : x
  2. Step 2: Convert to fraction form
    14,092.31/21,138.42 = 4,231.58/x
  3. Step 3: Cross multiply
    14,092.31x = 21,138.42 × 4,231.58
  4. Step 4: Simplify right side
    14,092.31x = 89,448,915.30
  5. Step 5: Solve for x
    x = 89,448,915.30/14,092.31
  6. Step 6: Final answer
    x = 6,347.36

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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.