Home / 24,427.20-36,665.10-11,961.30

Finding the Fourth Proportional to 24,427.20, 36,665.10 and 11,961.30

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Solution

The fourth proportional to 24,427.20, 36,665.10 and 11,961.30 is: 17,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,427.20 : 36,665.10 = 11,961.30 : x
  2. Step 2: Convert to fraction form
    24,427.20/36,665.10 = 11,961.30/x
  3. Step 3: Cross multiply
    24,427.20x = 36,665.10 × 11,961.30
  4. Step 4: Simplify right side
    24,427.20x = 438,562,260.63
  5. Step 5: Solve for x
    x = 438,562,260.63/24,427.20
  6. Step 6: Final answer
    x = 17,953.85

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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.