Home / 43,592.63-65,388.96-12,427.88

Finding the Fourth Proportional to 43,592.63, 65,388.96 and 12,427.88

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Solution

The fourth proportional to 43,592.63, 65,388.96 and 12,427.88 is: 18,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,592.63 : 65,388.96 = 12,427.88 : x
  2. Step 2: Convert to fraction form
    43,592.63/65,388.96 = 12,427.88/x
  3. Step 3: Cross multiply
    43,592.63x = 65,388.96 × 12,427.88
  4. Step 4: Simplify right side
    43,592.63x = 812,645,821.26
  5. Step 5: Solve for x
    x = 812,645,821.26/43,592.63
  6. Step 6: Final answer
    x = 18,641.82

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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.