Home / 29,213.60-43,796.40-12,586.40

Finding the Fourth Proportional to 29,213.60, 43,796.40 and 12,586.40

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Solution

The fourth proportional to 29,213.60, 43,796.40 and 12,586.40 is: 18,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,213.60 : 43,796.40 = 12,586.40 : x
  2. Step 2: Convert to fraction form
    29,213.60/43,796.40 = 12,586.40/x
  3. Step 3: Cross multiply
    29,213.60x = 43,796.40 × 12,586.40
  4. Step 4: Simplify right side
    29,213.60x = 551,239,008.96
  5. Step 5: Solve for x
    x = 551,239,008.96/29,213.60
  6. Step 6: Final answer
    x = 18,869.26

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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.