Home / 22,172.97-30,596.18-12,744.57

Finding the Fourth Proportional to 22,172.97, 30,596.18 and 12,744.57

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Solution

The fourth proportional to 22,172.97, 30,596.18 and 12,744.57 is: 17,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.97 : 30,596.18 = 12,744.57 : x
  2. Step 2: Convert to fraction form
    22,172.97/30,596.18 = 12,744.57/x
  3. Step 3: Cross multiply
    22,172.97x = 30,596.18 × 12,744.57
  4. Step 4: Simplify right side
    22,172.97x = 389,935,157.74
  5. Step 5: Solve for x
    x = 389,935,157.74/22,172.97
  6. Step 6: Final answer
    x = 17,586.06

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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.