Home / 22,192.08-30,624.12-12,120.36

Finding the Fourth Proportional to 22,192.08, 30,624.12 and 12,120.36

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Solution

The fourth proportional to 22,192.08, 30,624.12 and 12,120.36 is: 16,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.08 : 30,624.12 = 12,120.36 : x
  2. Step 2: Convert to fraction form
    22,192.08/30,624.12 = 12,120.36/x
  3. Step 3: Cross multiply
    22,192.08x = 30,624.12 × 12,120.36
  4. Step 4: Simplify right side
    22,192.08x = 371,175,359.08
  5. Step 5: Solve for x
    x = 371,175,359.08/22,192.08
  6. Step 6: Final answer
    x = 16,725.58

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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.