Home / 16,825.12-25,238.76-12,882.04

Finding the Fourth Proportional to 16,825.12, 25,238.76 and 12,882.04

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Solution

The fourth proportional to 16,825.12, 25,238.76 and 12,882.04 is: 19,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.12 : 25,238.76 = 12,882.04 : x
  2. Step 2: Convert to fraction form
    16,825.12/25,238.76 = 12,882.04/x
  3. Step 3: Cross multiply
    16,825.12x = 25,238.76 × 12,882.04
  4. Step 4: Simplify right side
    16,825.12x = 325,126,715.87
  5. Step 5: Solve for x
    x = 325,126,715.87/16,825.12
  6. Step 6: Final answer
    x = 19,323.89

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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.