Home / 13,125.22-19,687.84-3,264.49

Finding the Fourth Proportional to 13,125.22, 19,687.84 and 3,264.49

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Solution

The fourth proportional to 13,125.22, 19,687.84 and 3,264.49 is: 4,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.22 : 19,687.84 = 3,264.49 : x
  2. Step 2: Convert to fraction form
    13,125.22/19,687.84 = 3,264.49/x
  3. Step 3: Cross multiply
    13,125.22x = 19,687.84 × 3,264.49
  4. Step 4: Simplify right side
    13,125.22x = 64,270,773.25
  5. Step 5: Solve for x
    x = 64,270,773.25/13,125.22
  6. Step 6: Final answer
    x = 4,896.74

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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.