Home / 16,780.14-25,154.49-5,679.06

Finding the Fourth Proportional to 16,780.14, 25,154.49 and 5,679.06

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Solution

The fourth proportional to 16,780.14, 25,154.49 and 5,679.06 is: 8,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.14 : 25,154.49 = 5,679.06 : x
  2. Step 2: Convert to fraction form
    16,780.14/25,154.49 = 5,679.06/x
  3. Step 3: Cross multiply
    16,780.14x = 25,154.49 × 5,679.06
  4. Step 4: Simplify right side
    16,780.14x = 142,853,857.98
  5. Step 5: Solve for x
    x = 142,853,857.98/16,780.14
  6. Step 6: Final answer
    x = 8,513.27

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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.