Home / 18,655.43-25,745.45-10,589.66

Finding the Fourth Proportional to 18,655.43, 25,745.45 and 10,589.66

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Solution

The fourth proportional to 18,655.43, 25,745.45 and 10,589.66 is: 14,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.43 : 25,745.45 = 10,589.66 : x
  2. Step 2: Convert to fraction form
    18,655.43/25,745.45 = 10,589.66/x
  3. Step 3: Cross multiply
    18,655.43x = 25,745.45 × 10,589.66
  4. Step 4: Simplify right side
    18,655.43x = 272,635,562.05
  5. Step 5: Solve for x
    x = 272,635,562.05/18,655.43
  6. Step 6: Final answer
    x = 14,614.27

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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.