Home / 19,749.12-29,631.78-8,063.52

Finding the Fourth Proportional to 19,749.12, 29,631.78 and 8,063.52

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Solution

The fourth proportional to 19,749.12, 29,631.78 and 8,063.52 is: 12,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.12 : 29,631.78 = 8,063.52 : x
  2. Step 2: Convert to fraction form
    19,749.12/29,631.78 = 8,063.52/x
  3. Step 3: Cross multiply
    19,749.12x = 29,631.78 × 8,063.52
  4. Step 4: Simplify right side
    19,749.12x = 238,936,450.67
  5. Step 5: Solve for x
    x = 238,936,450.67/19,749.12
  6. Step 6: Final answer
    x = 12,098.59

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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.