Home / 42,635.92-63,944.16-11,473.60

Finding the Fourth Proportional to 42,635.92, 63,944.16 and 11,473.60

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Solution

The fourth proportional to 42,635.92, 63,944.16 and 11,473.60 is: 17,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,635.92 : 63,944.16 = 11,473.60 : x
  2. Step 2: Convert to fraction form
    42,635.92/63,944.16 = 11,473.60/x
  3. Step 3: Cross multiply
    42,635.92x = 63,944.16 × 11,473.60
  4. Step 4: Simplify right side
    42,635.92x = 733,669,714.18
  5. Step 5: Solve for x
    x = 733,669,714.18/42,635.92
  6. Step 6: Final answer
    x = 17,207.78

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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.