Home / 29,467.80-40,665.30-16,892.28

Finding the Fourth Proportional to 29,467.80, 40,665.30 and 16,892.28

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Solution

The fourth proportional to 29,467.80, 40,665.30 and 16,892.28 is: 23,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,467.80 : 40,665.30 = 16,892.28 : x
  2. Step 2: Convert to fraction form
    29,467.80/40,665.30 = 16,892.28/x
  3. Step 3: Cross multiply
    29,467.80x = 40,665.30 × 16,892.28
  4. Step 4: Simplify right side
    29,467.80x = 686,929,633.88
  5. Step 5: Solve for x
    x = 686,929,633.88/29,467.80
  6. Step 6: Final answer
    x = 23,311.20

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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.