Home / 28,893.20-43,265.81-19,996.21

Finding the Fourth Proportional to 28,893.20, 43,265.81 and 19,996.21

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Solution

The fourth proportional to 28,893.20, 43,265.81 and 19,996.21 is: 29,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.20 : 43,265.81 = 19,996.21 : x
  2. Step 2: Convert to fraction form
    28,893.20/43,265.81 = 19,996.21/x
  3. Step 3: Cross multiply
    28,893.20x = 43,265.81 × 19,996.21
  4. Step 4: Simplify right side
    28,893.20x = 865,152,222.58
  5. Step 5: Solve for x
    x = 865,152,222.58/28,893.20
  6. Step 6: Final answer
    x = 29,943.11

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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.