Home / 29,264.72-43,896.60-12,636.40

Finding the Fourth Proportional to 29,264.72, 43,896.60 and 12,636.40

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Solution

The fourth proportional to 29,264.72, 43,896.60 and 12,636.40 is: 18,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,264.72 : 43,896.60 = 12,636.40 : x
  2. Step 2: Convert to fraction form
    29,264.72/43,896.60 = 12,636.40/x
  3. Step 3: Cross multiply
    29,264.72x = 43,896.60 × 12,636.40
  4. Step 4: Simplify right side
    29,264.72x = 554,694,996.24
  5. Step 5: Solve for x
    x = 554,694,996.24/29,264.72
  6. Step 6: Final answer
    x = 18,954.39

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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.