Home / 28,361.51-42,467.94-19,996.23

Finding the Fourth Proportional to 28,361.51, 42,467.94 and 19,996.23

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Solution

The fourth proportional to 28,361.51, 42,467.94 and 19,996.23 is: 29,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.51 : 42,467.94 = 19,996.23 : x
  2. Step 2: Convert to fraction form
    28,361.51/42,467.94 = 19,996.23/x
  3. Step 3: Cross multiply
    28,361.51x = 42,467.94 × 19,996.23
  4. Step 4: Simplify right side
    28,361.51x = 849,198,695.87
  5. Step 5: Solve for x
    x = 849,198,695.87/28,361.51
  6. Step 6: Final answer
    x = 29,941.94

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.