Home / 18,516.74-25,565.02-16,523.87

Finding the Fourth Proportional to 18,516.74, 25,565.02 and 16,523.87

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Solution

The fourth proportional to 18,516.74, 25,565.02 and 16,523.87 is: 22,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.74 : 25,565.02 = 16,523.87 : x
  2. Step 2: Convert to fraction form
    18,516.74/25,565.02 = 16,523.87/x
  3. Step 3: Cross multiply
    18,516.74x = 25,565.02 × 16,523.87
  4. Step 4: Simplify right side
    18,516.74x = 422,433,067.03
  5. Step 5: Solve for x
    x = 422,433,067.03/18,516.74
  6. Step 6: Final answer
    x = 22,813.58

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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.