Home / 19,949.63-29,928.81-5,910.76

Finding the Fourth Proportional to 19,949.63, 29,928.81 and 5,910.76

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Solution

The fourth proportional to 19,949.63, 29,928.81 and 5,910.76 is: 8,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.63 : 29,928.81 = 5,910.76 : x
  2. Step 2: Convert to fraction form
    19,949.63/29,928.81 = 5,910.76/x
  3. Step 3: Cross multiply
    19,949.63x = 29,928.81 × 5,910.76
  4. Step 4: Simplify right side
    19,949.63x = 176,901,833.80
  5. Step 5: Solve for x
    x = 176,901,833.80/19,949.63
  6. Step 6: Final answer
    x = 8,867.43

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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.