Home / 21,836.93-32,766.26-8,689.01

Finding the Fourth Proportional to 21,836.93, 32,766.26 and 8,689.01

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Solution

The fourth proportional to 21,836.93, 32,766.26 and 8,689.01 is: 13,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.93 : 32,766.26 = 8,689.01 : x
  2. Step 2: Convert to fraction form
    21,836.93/32,766.26 = 8,689.01/x
  3. Step 3: Cross multiply
    21,836.93x = 32,766.26 × 8,689.01
  4. Step 4: Simplify right side
    21,836.93x = 284,706,153.53
  5. Step 5: Solve for x
    x = 284,706,153.53/21,836.93
  6. Step 6: Final answer
    x = 13,037.83

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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.