Home / 16,895.91-25,344.21-5,209.13

Finding the Fourth Proportional to 16,895.91, 25,344.21 and 5,209.13

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Solution

The fourth proportional to 16,895.91, 25,344.21 and 5,209.13 is: 7,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.91 : 25,344.21 = 5,209.13 : x
  2. Step 2: Convert to fraction form
    16,895.91/25,344.21 = 5,209.13/x
  3. Step 3: Cross multiply
    16,895.91x = 25,344.21 × 5,209.13
  4. Step 4: Simplify right side
    16,895.91x = 132,021,157.92
  5. Step 5: Solve for x
    x = 132,021,157.92/16,895.91
  6. Step 6: Final answer
    x = 7,813.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.