Home / 29,554.23-40,778.90-18,803.37

Finding the Fourth Proportional to 29,554.23, 40,778.90 and 18,803.37

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Solution

The fourth proportional to 29,554.23, 40,778.90 and 18,803.37 is: 25,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,554.23 : 40,778.90 = 18,803.37 : x
  2. Step 2: Convert to fraction form
    29,554.23/40,778.90 = 18,803.37/x
  3. Step 3: Cross multiply
    29,554.23x = 40,778.90 × 18,803.37
  4. Step 4: Simplify right side
    29,554.23x = 766,780,650.88
  5. Step 5: Solve for x
    x = 766,780,650.88/29,554.23
  6. Step 6: Final answer
    x = 25,944.87

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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.