Home / 22,361.14-30,857.01-12,287.62

Finding the Fourth Proportional to 22,361.14, 30,857.01 and 12,287.62

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Solution

The fourth proportional to 22,361.14, 30,857.01 and 12,287.62 is: 16,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.14 : 30,857.01 = 12,287.62 : x
  2. Step 2: Convert to fraction form
    22,361.14/30,857.01 = 12,287.62/x
  3. Step 3: Cross multiply
    22,361.14x = 30,857.01 × 12,287.62
  4. Step 4: Simplify right side
    22,361.14x = 379,159,213.22
  5. Step 5: Solve for x
    x = 379,159,213.22/22,361.14
  6. Step 6: Final answer
    x = 16,956.17

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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.