Home / 19,339.58-29,009.39-5,299.73

Finding the Fourth Proportional to 19,339.58, 29,009.39 and 5,299.73

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Solution

The fourth proportional to 19,339.58, 29,009.39 and 5,299.73 is: 7,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.58 : 29,009.39 = 5,299.73 : x
  2. Step 2: Convert to fraction form
    19,339.58/29,009.39 = 5,299.73/x
  3. Step 3: Cross multiply
    19,339.58x = 29,009.39 × 5,299.73
  4. Step 4: Simplify right side
    19,339.58x = 153,741,762.92
  5. Step 5: Solve for x
    x = 153,741,762.92/19,339.58
  6. Step 6: Final answer
    x = 7,949.59

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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.