Home / 14,125.20-21,187.94-4,264.56

Finding the Fourth Proportional to 14,125.20, 21,187.94 and 4,264.56

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Solution

The fourth proportional to 14,125.20, 21,187.94 and 4,264.56 is: 6,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.20 : 21,187.94 = 4,264.56 : x
  2. Step 2: Convert to fraction form
    14,125.20/21,187.94 = 4,264.56/x
  3. Step 3: Cross multiply
    14,125.20x = 21,187.94 × 4,264.56
  4. Step 4: Simplify right side
    14,125.20x = 90,357,220.08
  5. Step 5: Solve for x
    x = 90,357,220.08/14,125.20
  6. Step 6: Final answer
    x = 6,396.88

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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.