Home / 29,276.50-43,920.30-11,747.71

Finding the Fourth Proportional to 29,276.50, 43,920.30 and 11,747.71

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Solution

The fourth proportional to 29,276.50, 43,920.30 and 11,747.71 is: 17,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,276.50 : 43,920.30 = 11,747.71 : x
  2. Step 2: Convert to fraction form
    29,276.50/43,920.30 = 11,747.71/x
  3. Step 3: Cross multiply
    29,276.50x = 43,920.30 × 11,747.71
  4. Step 4: Simplify right side
    29,276.50x = 515,962,947.51
  5. Step 5: Solve for x
    x = 515,962,947.51/29,276.50
  6. Step 6: Final answer
    x = 17,623.79

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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.