Home / 18,790.14-25,930.38-10,406.64

Finding the Fourth Proportional to 18,790.14, 25,930.38 and 10,406.64

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Solution

The fourth proportional to 18,790.14, 25,930.38 and 10,406.64 is: 14,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.14 : 25,930.38 = 10,406.64 : x
  2. Step 2: Convert to fraction form
    18,790.14/25,930.38 = 10,406.64/x
  3. Step 3: Cross multiply
    18,790.14x = 25,930.38 × 10,406.64
  4. Step 4: Simplify right side
    18,790.14x = 269,848,129.72
  5. Step 5: Solve for x
    x = 269,848,129.72/18,790.14
  6. Step 6: Final answer
    x = 14,361.16

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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.