Home / 18,744.72-25,857.48-12,022.87

Finding the Fourth Proportional to 18,744.72, 25,857.48 and 12,022.87

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Solution

The fourth proportional to 18,744.72, 25,857.48 and 12,022.87 is: 16,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.72 : 25,857.48 = 12,022.87 : x
  2. Step 2: Convert to fraction form
    18,744.72/25,857.48 = 12,022.87/x
  3. Step 3: Cross multiply
    18,744.72x = 25,857.48 × 12,022.87
  4. Step 4: Simplify right side
    18,744.72x = 310,881,120.57
  5. Step 5: Solve for x
    x = 310,881,120.57/18,744.72
  6. Step 6: Final answer
    x = 16,585.00

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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.