Home / 18,429.57-27,638.04-7,333.23

Finding the Fourth Proportional to 18,429.57, 27,638.04 and 7,333.23

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Solution

The fourth proportional to 18,429.57, 27,638.04 and 7,333.23 is: 10,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.57 : 27,638.04 = 7,333.23 : x
  2. Step 2: Convert to fraction form
    18,429.57/27,638.04 = 7,333.23/x
  3. Step 3: Cross multiply
    18,429.57x = 27,638.04 × 7,333.23
  4. Step 4: Simplify right side
    18,429.57x = 202,676,104.07
  5. Step 5: Solve for x
    x = 202,676,104.07/18,429.57
  6. Step 6: Final answer
    x = 10,997.33

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1.5x scale

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.