Home / 29,399.21-40,555.37-18,625.08

Finding the Fourth Proportional to 29,399.21, 40,555.37 and 18,625.08

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Solution

The fourth proportional to 29,399.21, 40,555.37 and 18,625.08 is: 25,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.21 : 40,555.37 = 18,625.08 : x
  2. Step 2: Convert to fraction form
    29,399.21/40,555.37 = 18,625.08/x
  3. Step 3: Cross multiply
    29,399.21x = 40,555.37 × 18,625.08
  4. Step 4: Simplify right side
    29,399.21x = 755,346,917.55
  5. Step 5: Solve for x
    x = 755,346,917.55/29,399.21
  6. Step 6: Final answer
    x = 25,692.77

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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.