Home / 18,423.23-27,639.39-5,944.57

Finding the Fourth Proportional to 18,423.23, 27,639.39 and 5,944.57

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Solution

The fourth proportional to 18,423.23, 27,639.39 and 5,944.57 is: 8,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.23 : 27,639.39 = 5,944.57 : x
  2. Step 2: Convert to fraction form
    18,423.23/27,639.39 = 5,944.57/x
  3. Step 3: Cross multiply
    18,423.23x = 27,639.39 × 5,944.57
  4. Step 4: Simplify right side
    18,423.23x = 164,304,241.81
  5. Step 5: Solve for x
    x = 164,304,241.81/18,423.23
  6. Step 6: Final answer
    x = 8,918.32

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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.