Home / 29,376.73-40,524.87-18,755.20

Finding the Fourth Proportional to 29,376.73, 40,524.87 and 18,755.20

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Solution

The fourth proportional to 29,376.73, 40,524.87 and 18,755.20 is: 25,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.73 : 40,524.87 = 18,755.20 : x
  2. Step 2: Convert to fraction form
    29,376.73/40,524.87 = 18,755.20/x
  3. Step 3: Cross multiply
    29,376.73x = 40,524.87 × 18,755.20
  4. Step 4: Simplify right side
    29,376.73x = 760,052,041.82
  5. Step 5: Solve for x
    x = 760,052,041.82/29,376.73
  6. Step 6: Final answer
    x = 25,872.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.