Home / 18,635.05-25,694.84-14,855.27

Finding the Fourth Proportional to 18,635.05, 25,694.84 and 14,855.27

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Solution

The fourth proportional to 18,635.05, 25,694.84 and 14,855.27 is: 20,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.05 : 25,694.84 = 14,855.27 : x
  2. Step 2: Convert to fraction form
    18,635.05/25,694.84 = 14,855.27/x
  3. Step 3: Cross multiply
    18,635.05x = 25,694.84 × 14,855.27
  4. Step 4: Simplify right side
    18,635.05x = 381,703,887.18
  5. Step 5: Solve for x
    x = 381,703,887.18/18,635.05
  6. Step 6: Final answer
    x = 20,483.12

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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.