Home / 36,421.83-54,645.84-12,732.84

Finding the Fourth Proportional to 36,421.83, 54,645.84 and 12,732.84

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Solution

The fourth proportional to 36,421.83, 54,645.84 and 12,732.84 is: 19,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,421.83 : 54,645.84 = 12,732.84 : x
  2. Step 2: Convert to fraction form
    36,421.83/54,645.84 = 12,732.84/x
  3. Step 3: Cross multiply
    36,421.83x = 54,645.84 × 12,732.84
  4. Step 4: Simplify right side
    36,421.83x = 695,796,737.39
  5. Step 5: Solve for x
    x = 695,796,737.39/36,421.83
  6. Step 6: Final answer
    x = 19,103.84

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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.