Home / 21,585.39-32,375.75-5,792.01

Finding the Fourth Proportional to 21,585.39, 32,375.75 and 5,792.01

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Solution

The fourth proportional to 21,585.39, 32,375.75 and 5,792.01 is: 8,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.39 : 32,375.75 = 5,792.01 : x
  2. Step 2: Convert to fraction form
    21,585.39/32,375.75 = 5,792.01/x
  3. Step 3: Cross multiply
    21,585.39x = 32,375.75 × 5,792.01
  4. Step 4: Simplify right side
    21,585.39x = 187,520,638.80
  5. Step 5: Solve for x
    x = 187,520,638.80/21,585.39
  6. Step 6: Final answer
    x = 8,687.39

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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.