Home / 19,861.92-29,805.45-11,102.58

Finding the Fourth Proportional to 19,861.92, 29,805.45 and 11,102.58

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Solution

The fourth proportional to 19,861.92, 29,805.45 and 11,102.58 is: 16,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.92 : 29,805.45 = 11,102.58 : x
  2. Step 2: Convert to fraction form
    19,861.92/29,805.45 = 11,102.58/x
  3. Step 3: Cross multiply
    19,861.92x = 29,805.45 × 11,102.58
  4. Step 4: Simplify right side
    19,861.92x = 330,917,393.06
  5. Step 5: Solve for x
    x = 330,917,393.06/19,861.92
  6. Step 6: Final answer
    x = 16,660.90

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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.