Home / 18,609.68-25,682.64-10,654.04

Finding the Fourth Proportional to 18,609.68, 25,682.64 and 10,654.04

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Solution

The fourth proportional to 18,609.68, 25,682.64 and 10,654.04 is: 14,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.68 : 25,682.64 = 10,654.04 : x
  2. Step 2: Convert to fraction form
    18,609.68/25,682.64 = 10,654.04/x
  3. Step 3: Cross multiply
    18,609.68x = 25,682.64 × 10,654.04
  4. Step 4: Simplify right side
    18,609.68x = 273,623,873.87
  5. Step 5: Solve for x
    x = 273,623,873.87/18,609.68
  6. Step 6: Final answer
    x = 14,703.31

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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.