Home / 18,516.86-25,565.19-16,523.99

Finding the Fourth Proportional to 18,516.86, 25,565.19 and 16,523.99

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Solution

The fourth proportional to 18,516.86, 25,565.19 and 16,523.99 is: 22,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.86 : 25,565.19 = 16,523.99 : x
  2. Step 2: Convert to fraction form
    18,516.86/25,565.19 = 16,523.99/x
  3. Step 3: Cross multiply
    18,516.86x = 25,565.19 × 16,523.99
  4. Step 4: Simplify right side
    18,516.86x = 422,438,943.91
  5. Step 5: Solve for x
    x = 422,438,943.91/18,516.86
  6. Step 6: Final answer
    x = 22,813.75

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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.