Home / 20,633.08-28,475.34-17,269.96

Finding the Fourth Proportional to 20,633.08, 28,475.34 and 17,269.96

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Solution

The fourth proportional to 20,633.08, 28,475.34 and 17,269.96 is: 23,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.08 : 28,475.34 = 17,269.96 : x
  2. Step 2: Convert to fraction form
    20,633.08/28,475.34 = 17,269.96/x
  3. Step 3: Cross multiply
    20,633.08x = 28,475.34 × 17,269.96
  4. Step 4: Simplify right side
    20,633.08x = 491,767,982.79
  5. Step 5: Solve for x
    x = 491,767,982.79/20,633.08
  6. Step 6: Final answer
    x = 23,833.96

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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.