Home / 20,593.72-28,235.94-20,396.88

Finding the Fourth Proportional to 20,593.72, 28,235.94 and 20,396.88

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Solution

The fourth proportional to 20,593.72, 28,235.94 and 20,396.88 is: 27,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.72 : 28,235.94 = 20,396.88 : x
  2. Step 2: Convert to fraction form
    20,593.72/28,235.94 = 20,396.88/x
  3. Step 3: Cross multiply
    20,593.72x = 28,235.94 × 20,396.88
  4. Step 4: Simplify right side
    20,593.72x = 575,925,079.87
  5. Step 5: Solve for x
    x = 575,925,079.87/20,593.72
  6. Step 6: Final answer
    x = 27,966.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.