Home / 20,027.10-29,997.45-17,838.30

Finding the Fourth Proportional to 20,027.10, 29,997.45 and 17,838.30

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Solution

The fourth proportional to 20,027.10, 29,997.45 and 17,838.30 is: 26,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.10 : 29,997.45 = 17,838.30 : x
  2. Step 2: Convert to fraction form
    20,027.10/29,997.45 = 17,838.30/x
  3. Step 3: Cross multiply
    20,027.10x = 29,997.45 × 17,838.30
  4. Step 4: Simplify right side
    20,027.10x = 535,103,512.34
  5. Step 5: Solve for x
    x = 535,103,512.34/20,027.10
  6. Step 6: Final answer
    x = 26,718.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.