Home / 14,525.25-21,787.88-3,581.25

Finding the Fourth Proportional to 14,525.25, 21,787.88 and 3,581.25

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Solution

The fourth proportional to 14,525.25, 21,787.88 and 3,581.25 is: 5,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.25 : 21,787.88 = 3,581.25 : x
  2. Step 2: Convert to fraction form
    14,525.25/21,787.88 = 3,581.25/x
  3. Step 3: Cross multiply
    14,525.25x = 21,787.88 × 3,581.25
  4. Step 4: Simplify right side
    14,525.25x = 78,027,827.34
  5. Step 5: Solve for x
    x = 78,027,827.34/14,525.25
  6. Step 6: Final answer
    x = 5,371.88

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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.