Home / 29,008.36-40,044.18-18,414.28

Finding the Fourth Proportional to 29,008.36, 40,044.18 and 18,414.28

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Solution

The fourth proportional to 29,008.36, 40,044.18 and 18,414.28 is: 25,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008.36 : 40,044.18 = 18,414.28 : x
  2. Step 2: Convert to fraction form
    29,008.36/40,044.18 = 18,414.28/x
  3. Step 3: Cross multiply
    29,008.36x = 40,044.18 × 18,414.28
  4. Step 4: Simplify right side
    29,008.36x = 737,384,742.89
  5. Step 5: Solve for x
    x = 737,384,742.89/29,008.36
  6. Step 6: Final answer
    x = 25,419.73

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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.