Home / 18,521.45-27,758.01-16,175.88

Finding the Fourth Proportional to 18,521.45, 27,758.01 and 16,175.88

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Solution

The fourth proportional to 18,521.45, 27,758.01 and 16,175.88 is: 24,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.45 : 27,758.01 = 16,175.88 : x
  2. Step 2: Convert to fraction form
    18,521.45/27,758.01 = 16,175.88/x
  3. Step 3: Cross multiply
    18,521.45x = 27,758.01 × 16,175.88
  4. Step 4: Simplify right side
    18,521.45x = 449,010,238.80
  5. Step 5: Solve for x
    x = 449,010,238.80/18,521.45
  6. Step 6: Final answer
    x = 24,242.72

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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.