Home / 29,380.02-40,513.43-20,873.27

Finding the Fourth Proportional to 29,380.02, 40,513.43 and 20,873.27

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Solution

The fourth proportional to 29,380.02, 40,513.43 and 20,873.27 is: 28,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.02 : 40,513.43 = 20,873.27 : x
  2. Step 2: Convert to fraction form
    29,380.02/40,513.43 = 20,873.27/x
  3. Step 3: Cross multiply
    29,380.02x = 40,513.43 × 20,873.27
  4. Step 4: Simplify right side
    29,380.02x = 845,647,763.02
  5. Step 5: Solve for x
    x = 845,647,763.02/29,380.02
  6. Step 6: Final answer
    x = 28,783.09

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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.