Home / 21,522.63-32,292.15-19,435.41

Finding the Fourth Proportional to 21,522.63, 32,292.15 and 19,435.41

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Solution

The fourth proportional to 21,522.63, 32,292.15 and 19,435.41 is: 29,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.63 : 32,292.15 = 19,435.41 : x
  2. Step 2: Convert to fraction form
    21,522.63/32,292.15 = 19,435.41/x
  3. Step 3: Cross multiply
    21,522.63x = 32,292.15 × 19,435.41
  4. Step 4: Simplify right side
    21,522.63x = 627,611,077.85
  5. Step 5: Solve for x
    x = 627,611,077.85/21,522.63
  6. Step 6: Final answer
    x = 29,160.52

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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.