Home / 20,832.01-31,251.26-6,788.77

Finding the Fourth Proportional to 20,832.01, 31,251.26 and 6,788.77

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Solution

The fourth proportional to 20,832.01, 31,251.26 and 6,788.77 is: 10,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.01 : 31,251.26 = 6,788.77 : x
  2. Step 2: Convert to fraction form
    20,832.01/31,251.26 = 6,788.77/x
  3. Step 3: Cross multiply
    20,832.01x = 31,251.26 × 6,788.77
  4. Step 4: Simplify right side
    20,832.01x = 212,157,616.35
  5. Step 5: Solve for x
    x = 212,157,616.35/20,832.01
  6. Step 6: Final answer
    x = 10,184.21

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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.