Home / 29,154.24-40,214.88-20,773.44

Finding the Fourth Proportional to 29,154.24, 40,214.88 and 20,773.44

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Solution

The fourth proportional to 29,154.24, 40,214.88 and 20,773.44 is: 28,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.24 : 40,214.88 = 20,773.44 : x
  2. Step 2: Convert to fraction form
    29,154.24/40,214.88 = 20,773.44/x
  3. Step 3: Cross multiply
    29,154.24x = 40,214.88 × 20,773.44
  4. Step 4: Simplify right side
    29,154.24x = 835,401,396.79
  5. Step 5: Solve for x
    x = 835,401,396.79/29,154.24
  6. Step 6: Final answer
    x = 28,654.54

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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.