Home / 18,187.68-27,252.36-16,438.08

Finding the Fourth Proportional to 18,187.68, 27,252.36 and 16,438.08

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Solution

The fourth proportional to 18,187.68, 27,252.36 and 16,438.08 is: 24,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.68 : 27,252.36 = 16,438.08 : x
  2. Step 2: Convert to fraction form
    18,187.68/27,252.36 = 16,438.08/x
  3. Step 3: Cross multiply
    18,187.68x = 27,252.36 × 16,438.08
  4. Step 4: Simplify right side
    18,187.68x = 447,976,473.87
  5. Step 5: Solve for x
    x = 447,976,473.87/18,187.68
  6. Step 6: Final answer
    x = 24,630.77

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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.