Home / 21,532.84-32,230.00-11,512.58

Finding the Fourth Proportional to 21,532.84, 32,230.00 and 11,512.58

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Solution

The fourth proportional to 21,532.84, 32,230.00 and 11,512.58 is: 17,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.84 : 32,230.00 = 11,512.58 : x
  2. Step 2: Convert to fraction form
    21,532.84/32,230.00 = 11,512.58/x
  3. Step 3: Cross multiply
    21,532.84x = 32,230.00 × 11,512.58
  4. Step 4: Simplify right side
    21,532.84x = 371,050,487.93
  5. Step 5: Solve for x
    x = 371,050,487.93/21,532.84
  6. Step 6: Final answer
    x = 17,231.84

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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.