Home / 19,634.07-29,450.97-7,947.12

Finding the Fourth Proportional to 19,634.07, 29,450.97 and 7,947.12

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Solution

The fourth proportional to 19,634.07, 29,450.97 and 7,947.12 is: 11,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.07 : 29,450.97 = 7,947.12 : x
  2. Step 2: Convert to fraction form
    19,634.07/29,450.97 = 7,947.12/x
  3. Step 3: Cross multiply
    19,634.07x = 29,450.97 × 7,947.12
  4. Step 4: Simplify right side
    19,634.07x = 234,050,392.71
  5. Step 5: Solve for x
    x = 234,050,392.71/19,634.07
  6. Step 6: Final answer
    x = 11,920.63

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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.