Home / 22,192.65-30,625.69-12,121.09

Finding the Fourth Proportional to 22,192.65, 30,625.69 and 12,121.09

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Solution

The fourth proportional to 22,192.65, 30,625.69 and 12,121.09 is: 16,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.65 : 30,625.69 = 12,121.09 : x
  2. Step 2: Convert to fraction form
    22,192.65/30,625.69 = 12,121.09/x
  3. Step 3: Cross multiply
    22,192.65x = 30,625.69 × 12,121.09
  4. Step 4: Simplify right side
    22,192.65x = 371,216,637.94
  5. Step 5: Solve for x
    x = 371,216,637.94/22,192.65
  6. Step 6: Final answer
    x = 16,727.01

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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.