Home / 21,626.57-32,433.17-9,146.39

Finding the Fourth Proportional to 21,626.57, 32,433.17 and 9,146.39

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Solution

The fourth proportional to 21,626.57, 32,433.17 and 9,146.39 is: 13,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.57 : 32,433.17 = 9,146.39 : x
  2. Step 2: Convert to fraction form
    21,626.57/32,433.17 = 9,146.39/x
  3. Step 3: Cross multiply
    21,626.57x = 32,433.17 × 9,146.39
  4. Step 4: Simplify right side
    21,626.57x = 296,646,376.02
  5. Step 5: Solve for x
    x = 296,646,376.02/21,626.57
  6. Step 6: Final answer
    x = 13,716.76

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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.