Home / 21,685.20-32,528.92-6,104.04

Finding the Fourth Proportional to 21,685.20, 32,528.92 and 6,104.04

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Solution

The fourth proportional to 21,685.20, 32,528.92 and 6,104.04 is: 9,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685.20 : 32,528.92 = 6,104.04 : x
  2. Step 2: Convert to fraction form
    21,685.20/32,528.92 = 6,104.04/x
  3. Step 3: Cross multiply
    21,685.20x = 32,528.92 × 6,104.04
  4. Step 4: Simplify right side
    21,685.20x = 198,557,828.84
  5. Step 5: Solve for x
    x = 198,557,828.84/21,685.20
  6. Step 6: Final answer
    x = 9,156.38

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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.