Home / 20,033.16-27,674.04-18,237.64

Finding the Fourth Proportional to 20,033.16, 27,674.04 and 18,237.64

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Solution

The fourth proportional to 20,033.16, 27,674.04 and 18,237.64 is: 25,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.16 : 27,674.04 = 18,237.64 : x
  2. Step 2: Convert to fraction form
    20,033.16/27,674.04 = 18,237.64/x
  3. Step 3: Cross multiply
    20,033.16x = 27,674.04 × 18,237.64
  4. Step 4: Simplify right side
    20,033.16x = 504,709,178.87
  5. Step 5: Solve for x
    x = 504,709,178.87/20,033.16
  6. Step 6: Final answer
    x = 25,193.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.