Home / 22,171.42-30,596.91-12,611.06

Finding the Fourth Proportional to 22,171.42, 30,596.91 and 12,611.06

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Solution

The fourth proportional to 22,171.42, 30,596.91 and 12,611.06 is: 17,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.42 : 30,596.91 = 12,611.06 : x
  2. Step 2: Convert to fraction form
    22,171.42/30,596.91 = 12,611.06/x
  3. Step 3: Cross multiply
    22,171.42x = 30,596.91 × 12,611.06
  4. Step 4: Simplify right side
    22,171.42x = 385,859,382.29
  5. Step 5: Solve for x
    x = 385,859,382.29/22,171.42
  6. Step 6: Final answer
    x = 17,403.46

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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.