Home / 16,120.58-22,209.81-12,474.09

Finding the Fourth Proportional to 16,120.58, 22,209.81 and 12,474.09

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Solution

The fourth proportional to 16,120.58, 22,209.81 and 12,474.09 is: 17,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.58 : 22,209.81 = 12,474.09 : x
  2. Step 2: Convert to fraction form
    16,120.58/22,209.81 = 12,474.09/x
  3. Step 3: Cross multiply
    16,120.58x = 22,209.81 × 12,474.09
  4. Step 4: Simplify right side
    16,120.58x = 277,047,239.06
  5. Step 5: Solve for x
    x = 277,047,239.06/16,120.58
  6. Step 6: Final answer
    x = 17,185.93

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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.