Home / 19,489.05-29,233.58-12,101.85

Finding the Fourth Proportional to 19,489.05, 29,233.58 and 12,101.85

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Solution

The fourth proportional to 19,489.05, 29,233.58 and 12,101.85 is: 18,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.05 : 29,233.58 = 12,101.85 : x
  2. Step 2: Convert to fraction form
    19,489.05/29,233.58 = 12,101.85/x
  3. Step 3: Cross multiply
    19,489.05x = 29,233.58 × 12,101.85
  4. Step 4: Simplify right side
    19,489.05x = 353,780,339.61
  5. Step 5: Solve for x
    x = 353,780,339.61/19,489.05
  6. Step 6: Final answer
    x = 18,152.78

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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.