Home / 22,184.84-30,611.13-12,623.21

Finding the Fourth Proportional to 22,184.84, 30,611.13 and 12,623.21

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Solution

The fourth proportional to 22,184.84, 30,611.13 and 12,623.21 is: 17,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,184.84 : 30,611.13 = 12,623.21 : x
  2. Step 2: Convert to fraction form
    22,184.84/30,611.13 = 12,623.21/x
  3. Step 3: Cross multiply
    22,184.84x = 30,611.13 × 12,623.21
  4. Step 4: Simplify right side
    22,184.84x = 386,410,722.33
  5. Step 5: Solve for x
    x = 386,410,722.33/22,184.84
  6. Step 6: Final answer
    x = 17,417.78

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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.